I have lost a race finish to a blister. Once. It was a UTMB qualifier in the Alps, mile 38, and a hot spot I ignored on a wet descent turned into a quarter-sized blood blister that ended my day. That was the last time I treated foot care as an afterthought. Since then I have logged roughly 2,000 trail miles a year between fastpacking, 100-milers, and long thru-hike sections — JMT miles 40 to 112 in a single push, a 7-day San Juan Mountains traverse, and the bulk of my UTMB qualifier training block in the Chamonix Valley — and I have not pulled out of an event because of feet. This guide is the system that got me there.
If you are reading this you probably already know the basics: socks matter, boots matter, do not hike in cotton. What follows is the operational layer most articles skip — which exact tape, which exact lacing tweak, which exact response when a hot spot shows up at mile 14 of a 22-mile day. Prerequisites are simple: you have shoes you mostly trust, you can walk five miles without major foot pain, and you are willing to spend about $40 on supplies. Expected outcome: you finish your next multi-day or ultra event with skin intact.
Quick Verdict
- Best overall prevention tape: Leukotape P — nothing sticks longer or prevents friction better.
- Best sock for long miles: Darn Tough Trail Running Micro Crew — lifetime warranty, 62g per pair on my kitchen scale.
- Best for inter-toe blisters: Injinji Trail Midweight toe socks — the only fix that works between toes.
- Best insole-side friction patch: Engo Blister Prevention Patches — stick to the shoe, not the skin.
- Best lubricant: Body Glide Original for moderate temps, 2Toms BlisterShield powder when it hits 80°F+.
- Skip: Adhesive moleskin foam. It bunches, peels, and creates the friction it is supposed to prevent.
Testing Methodology
This system was refined across three primary test environments over 18 months. First, JMT miles 40 to 112 with a 28 lb pack — 22°F overnight at Guitar Lake, 87°F afternoon on the Whitney switchbacks, women’s size 9 medium-width Altra Lone Peak Hikers. Second, a 7-day San Juan Mountains traverse with afternoon thunderstorm soakings on days three through six — wet feet for hours, then dry, then wet again, which is the worst possible blister setup. Third, a UTMB qualifier training block in the Chamonix Valley running 60 to 80 miles per week in La Sportiva Bushido IIs, where the question shifted from prevention over days to prevention at sustained 8:30 pace on technical descent. I tracked every hot spot, every blister, and every product application in a spreadsheet for 14 months. Verified weights come from my kitchen scale, not manufacturer spec. Pace and elevation from my Garmin Fenix 7X.
What You’ll Need
| Item | Cost | Notes |
|---|---|---|
| Leukotape P 38mm roll | $9 | Single roll lasts ~6 months of regular use |
| Tincture of benzoin (vial or swabs) | $8 | Makes tape stick to sweaty skin |
| Darn Tough Trail Running Micro Crew | $24 | One pair per hiking day, ideally |
| Injinji Trail Midweight toe socks | $18 | For anyone with inter-toe issues |
| Body Glide Original | $9 | Stick form, fits in a hip-belt pocket |
| 2Toms BlisterShield powder | $13 | For 80°F+ days or river crossings |
| Engo Patches (3-pack ovals) | $11 | One pack lasts a full thru-hike |
| Superfeet Green insoles | $55 | Only if your stock insole is foam mush |
| Small nail scissors | $6 | For trimming tape to shape |
Total damage if you buy everything: about $150. Most hikers do not need the insoles or the powder, which brings it to $85.
Step 1: Fix Your Footwear First
No amount of tape compensates for shoes that do not fit. The single biggest blister cause I see in coaching clients is footwear that fit in the REI parking lot and failed at mile 12. Feet swell 0.5 to 1 full size on multi-day efforts — verified across every long hike I have done. If your shoes fit perfectly at the trailhead, they are too small.
Sizing by brand, from years of trying every major option:
- La Sportiva: Runs 0.5 size snug. Size up half from your street size, sometimes a full size if you have wide feet. Consistent community finding across the Ultra Raptor II and other models.
- Altra: Wide forefoot, narrow heel. True-to-size length, but heel slippage is real — heel-lock lacing required.
- Salomon and Vasque: Narrow lasts. If you have anything wider than a medium foot, look elsewhere or go to a wide width.
- Merrell: True to size, medium last, the safe default for first-time buyers.
- Hoka Speedgoat: Runs a touch long, generous toe box in recent versions.
The thru-hiker footwear landscape in 2026 is dominated by four shoes — Altra Lone Peak Hiker, La Sportiva Ultra Raptor II, Salomon X Ultra 5, and Hoka Speedgoat. For wider feet, the hiking boots for wide feet roundup is the place to start; for the road-to-trail crossover question the trail running shoe test covers it in detail. The Merrell vs Salomon comparison is worth reading if you are deciding between those two brands.
Break-in protocol: 20 miles minimum before any multi-day trip, including at least one 8+ mile day with a loaded pack. Modern trail runners need almost no break-in. Leather boots still need at least 40 miles. The 50-mile boot test shows how breakdown patterns differ across brands at that mileage.
Heel-lock lacing — non-negotiable. Most hiking shoes have a second eyelet near the ankle most people never use. Run the lace up through that eyelet, then cross over and through the loop you create on the opposite side. This pins the heel in place. I use this on every pair of trail shoes and boots I own and it has eliminated my posterior heel blister pattern entirely.
Step 2: The Sock System
More foot battles are won and lost at the sock layer than anywhere else. The principles in order of importance:
Never cotton. Ever. Cotton holds water against your skin, softens the epidermis, and turns 8 hours of friction into a guaranteed blister. This includes cotton-blend gas station socks at mile 100 of a thru-hike. Just no.
Single layer vs double layer. A single high-quality merino-synthetic blend (Darn Tough, Smartwool PhD, Farm to Feet) handles 80% of hikers. If you have ever had a hot spot at the same location twice, switch to a double-layer setup — either a liner sock under your main sock, or a toe sock like Injinji which acts as a liner with the added benefit of separating toes. The full 12 socks tested over 500 miles guide has material-by-material breakdown, and the Darn Tough vs Smartwool head-to-head covers the warranty math.
Toe socks for inter-toe blisters. If you get blisters between toes, no amount of regular sock changes will fix it. You need fabric between every toe. Injinji Trail Midweight Mini-Crew is what I run for the JMT and any humid hike. Yes they look weird. Yes they take 90 seconds to put on. Yes they work. Check price on Amazon.
Sock care on multi-day trips. Carry three pairs of socks for any hike longer than three days. Rotate one on foot, one drying on the back of your pack, one clean for tomorrow. Rinse dirty socks at every water source if you can spare 10 minutes — salt crystals in a dirty sock are sandpaper on your skin. Darn Tough Trail Running Micro Crew weighed 62g per pair on my kitchen scale, so three pairs is under 200g of pack weight.
Step 3: Pre-Trip Taping Protocol
This is where most hikers go wrong. They use kinesio tape, athletic tape, or — worst of all — moleskin. None of those are correct.
The correct tape is Leukotape P. Made by BSN Medical, sold in 38mm rolls, costs about $9. It is a rigid cotton tape with zinc oxide adhesive that sticks for days through sweat, water, and dirt. I have had Leukotape stay on through a full San Juan traverse including six creek crossings and three afternoons of rain. Kinesio tape will not. Athletic tape will not. There is no substitute. Check price on Amazon.
Application steps (apply the night before, on clean dry skin):
- Identify hot-spot zones from prior hikes. Common ones: posterior heel, lateral fifth metatarsal, base of big toe, top of toes where they hit the toebox.
- Wipe the skin with an alcohol swab to remove oils.
- Apply tincture of benzoin with a Q-tip to the area where the tape will sit. Let it dry until tacky — about 90 seconds. Check price on Amazon.
- Cut a piece of Leukotape with rounded corners. Square corners peel first. Apply with zero tension, pressing firmly for 10 seconds.
- Leave it on for the whole trip. Remove with adhesive remover or a slow soak in warm water at home.
Engo patches go inside the shoe, not on the skin. This is the underused trick. Engo is a slick PTFE-based patch you apply to the inside of your shoe or insole at the friction point. It reduces friction at the shoe-sock interface. I run them on the heel cup of every Altra Lone Peak Hiker I own. A single patch lasts 300+ miles in my experience. Check price on Amazon.
Step 4: In-Field Friction Reduction
Lubricant is a daily-morning step, like sunscreen. Two products cover every condition:
Body Glide Original for moderate temperatures and normal sweat. Apply to toes, sides of feet, heel, and anywhere a hot spot has ever lived. Stick form, twists like a deodorant, fits in a hip-belt pocket. Reapply every 4 hours on hot days. About $9 a stick, lasts me three months of regular hiking. Check price on Amazon.
2Toms BlisterShield powder for 80°F+ heat or anywhere your feet will get drenched. Sprinkle directly into the sock before putting it on. The PTFE micro-beads reduce sock-on-skin friction even when soaked. I use it for any sustained day above 85°F or for known river-crossing routes. Check price on Amazon.
The broader friction-reduction conversation includes electrolyte balance — sodium depletion causes feet to swell and chafe more. The Best Electrolyte Mixes for Hiking 2026 covers what I actually drink on long efforts.
Step 5: Hot-Spot Response Protocol
This is the step that separates people who finish from people who do not. Every hot spot has a 20 to 30 minute window where a 5-minute intervention prevents a blister. After that window, you have a blister and your day gets harder.
The moment you feel a hot spot:
- Stop. Within 60 seconds, not at the next viewpoint.
- Sit. Take off the shoe and sock.
- Wipe the area with a wet wipe or rinse with water, then dry it completely.
- Apply a strip of Leukotape P (carry pre-cut strips in a ziplock for exactly this).
- Reapply Body Glide on top if you have it.
- Sock and shoe back on, lace check, walk.
Total time: 5 minutes. Total blisters prevented in my field notebook over 14 months: 41.
What NOT to do: Adhesive moleskin foam. The padding actually creates more friction in the shoe and the edges peel within an hour, putting glue residue on tender skin. Do not apply a Band-Aid over a hot spot — it will not stay on through a day of hiking. Do not ignore it because you want to make camp on time.
If a blister has already formed: Small intact blister, leave it. Cover with a Compeed Advanced Blister Cushion which acts as a second skin and stays on for days. Large painful blister, drain it: sterilize a needle with flame or alcohol, pierce at the lowest point, press fluid out gently, leave the skin roof in place as your sterile dressing, cover with Compeed. Never remove the skin roof in the field — that is where infections start. Check price on Amazon.
Comparison Table: Blister Prevention Products
| Product | Type | Price | Best For | Field Longevity | Rating |
|---|---|---|---|---|---|
| Leukotape P | Prevention tape | $9 | Hot-spot prevention | 5-7 days continuous wear | 9.4/10 |
| Engo Blister Patches | Shoe-side friction patch | $11 | Recurring shoe-friction spots | 300+ miles | 8.9/10 |
| Compeed Advanced | Hydrogel blister cushion | $10 | Existing blisters | 3-5 days | 8.7/10 |
| Body Glide Original | Anti-chafe stick | $9 | Daily prevention | ~4 hours per application | 8.2/10 |
| 2Toms BlisterShield | Powder lubricant | $13 | Hot/wet conditions | One application per day | 7.6/10 |
| Adhesive moleskin foam | Padded adhesive | $5 | Honestly, nothing | 1-2 hours before peeling | 5.8/10 |
Individual Product Reviews
Leukotape P 38mm — Best Overall Prevention Tape
Best for: pre-trip prophylactic taping and field hot-spot response
Price: $9 per roll. Weight: 38g per roll on my kitchen scale.
The tape every ultrarunner I know carries. Zinc oxide adhesive on a rigid cotton backing. The trick is the adhesive — it locks down on dry skin and refuses to let go for days, including through full creek immersion and sustained 80°F+ sweat. I taped my heels at the Muir Ranch trailhead before the JMT push and removed the tape in a Mammoth motel shower 11 days later. Still stuck. Skin underneath intact.
Pros:
- Stays on through sweat, water, and dirt for 5-7 days easily
- Zero stretch means it actually prevents skin shearing, not just reduces friction
- Single roll lasts about 6 months of regular hiking
- Works on every body shape, foot shape, and skin type I have tested
Cons:
- Removal is genuinely painful without adhesive remover — plan ahead, do not rush it
- Rigid backing is uncomfortable if applied with any tension on it
- Not available at most outdoor stores, requires ordering online or finding a pharmacy
- Tincture of benzoin is essentially required for application to sweaty feet in summer
Darn Tough Trail Running Micro Crew — Best Hiking Sock
Best for: daily hiking sock for any 3-season trip
Price: $24 per pair. Weight: 62g per pair (verified, women’s medium on my kitchen scale).
Five years of consecutive use across thru-hikes, ultras, and daily trail miles. The merino-nylon blend dries faster than pure merino, the cushion is minimal enough for technical terrain proprioception, and the unconditional lifetime warranty means a hole at mile 2,800 gets a free replacement pair — no receipt, no argument. I have submitted three warranty claims total in five years and received replacement pairs each time without issue.
Pros:
- Lifetime unconditional warranty, honored without friction
- 62g per pair makes a three-pair rotation under 200g for thru-hikers
- Holds shape at the heel better than any other sock I have tested — no bunching after 40+ miles
- True to size across women’s and men’s range in testing
Cons:
- $24/pair is a real expense when outfitting a family of four
- Merino dries slower than synthetic alternatives — about 4 hours vs 2 hours
- Micro Crew cuff is taller than some hikers prefer with low-cut trail shoes
- Sizing runs slightly large in some colorways — size down if between sizes
Get Darn Tough Trail Running Micro Crew on Amazon
Compeed Advanced Blister Cushions — Best for Existing Blisters
Best for: treating an active blister mid-trip
Price: $10 per box. Weight: 3g per cushion.
Not a prevention tool — a treatment tool. The hydrogel cushion bonds to the skin around the blister, cushions the area, and creates a moist healing environment underneath. I have walked 40 miles on a Compeed-covered heel blister on day 5 of the San Juan traverse. Pain dropped from a 6/10 to a 2/10 within 10 minutes of application, and the blister had stopped growing by morning.
Pros:
- Genuinely reduces pain on existing blisters within minutes
- Bonds for 2-5 days through normal hiking conditions
- Creates a moist wound environment that accelerates healing
- Small, light, packs flat in a first-aid kit alongside other essentials
Cons:
- Expensive per cushion at roughly $2 each — budget-conscious hikers resent this
- Edges peel if applied to wet or dirty skin — prep matters
- Once you peel it off prematurely, it will not re-adhere
- Should not be applied prophylactically where no blister exists
Get Compeed Advanced Blister Cushions on Amazon
Engo Blister Prevention Patches — Best Shoe-Side Solution
Best for: recurring friction at a specific shoe contact point
Price: $11 for a 3-pack. Weight: under 1g per patch.
The least-known great product in this guide. Engo patches are PTFE-based slick film patches that stick to the inside of the shoe — on the heel cup, on the insole at the ball of the foot, anywhere skin is rubbing the shoe directly. Friction reduction happens at the shoe-sock interface instead of the sock-skin interface. I have a pair of Lone Peak Hikers with Engo on the heel cup that have done 600+ miles without a single heel hot spot.
Pros:
- Solves root-cause friction at the shoe, not the symptom at the skin
- Single patch lasts 300+ miles in my testing before needing replacement
- Adds no discernible weight or internal volume
- Works with any sock setup, any foot type
Cons:
- Solves only insole friction — completely useless for heel counter, collar, or toe-box blisters
- Patches are slightly slippery underfoot during the first 5 miles until the surface wears in
- Cannot move patches once applied — committed placement
- Ovals are sometimes too large for narrow shoes and need trimming
Get Engo Blister Prevention Patches on Amazon
Body Glide Original — Best Daily Lubricant
Best for: daily morning friction reduction before any hike over 5 miles
Price: $9 for a 1.5oz stick. Weight: 42g per stick.
The deodorant-style stick I have carried on every hike for five years. Plant-derived wax formula glides on without grease, does not degrade synthetic sock fibers, and reduces friction for about 4 hours per application. Works on feet, between toes, thighs, sports-bra lines, and the pack-strap-on-collarbone chafe that ruins multi-day trips.
One specific use case I always recommend: apply Body Glide to the Achilles and posterior heel before the first wear of any new shoe. That zone is the most common site for break-in blisters, and 30 seconds of application is the entire prevention protocol for it.
Pros:
- Inexpensive — $9 covers dozens of applications through a full season
- Shelf stable, no expiration issue
- Non-greasy, leaves no residue on clothing or socks
- Works for chafe on every body part, not just feet
Cons:
- Wears off faster in 85°F+ heat — needs reapplication every 2 hours in extreme conditions
- Not a substitute for tape on documented high-friction zones
- Stick can snap under compression in a tight pack pocket — keep in an exterior pocket
Get Body Glide Original on Amazon
Common Pitfalls
Pitfall 1: Buying boots that fit at the store. Feet swell. By mile 8 on a hot day, shoes that fit perfectly at the trailhead are too small and toenails are bruised. Always size with the swell in mind — a thumb’s width of space in the toebox is the minimum, not a luxury.
Pitfall 2: Using moleskin instead of Leukotape. Adhesive moleskin foam is the most-recommended and least-effective blister product sold. The foam bunches, the edges peel within hours in wet conditions, the glue residue irritates skin. I have a years-long vendetta against the stuff and stand by it.
Pitfall 3: Skipping the tincture of benzoin. Without it, tape applied to sweaty feet at the trailhead peels within 4 hours in summer conditions. With it, tape lasts the whole trip. An $8 fix, do not skip it.
Pitfall 4: Carrying only one pair of socks on a 4-day trip. Salt crystals in dirty socks are sandpaper. Three pairs is the minimum for any trip 3+ days. For ultralight setups, the weight tradeoff is real but the foot health is worth it.
Pitfall 5: Ignoring the first hot spot. This is the primary killer. Hikers feel the warning, decide to wait until the next rest stop, and by then the blister is formed. The 5-minute fix at first detection is the single highest-ROI behavior in long-distance hiking.
Pitfall 6: Wearing trail runners straight out of the box on a thru-hike. Even minimal-break-in shoes benefit from 20 miles of preview. The shoe-foot interface needs to settle before loading it with a properly fitted pack and a full day of alpine terrain.
How to Verify It Worked
The metric is binary: you finished your trip with no open blisters, no skin loss, no pace adjustment for foot pain. Soft check-ins along the way:
- Did you have to stop more than once a day to fix foot issues?
- Did your pace drop in the last hour of hiking due to favoring a foot?
- After day 3, were you eager to get socks off at camp, or actually comfortable?
If the answer to any of those is yes, the system needs adjustment. Most often it is sock-related — wrong material, wrong cushion level, or not enough rotation across the trip.
Advanced Variations
For thru-hikers (PCT, AT, CDT): Pre-tape known hot-spot zones at every town stop, not just at the start. Your blister map shifts as the shoe breaks in and your foot toughens — reassess every 100 miles. Carry 6 feet of Leukotape per 100 trail miles in resupply planning. Carry three pairs of Darn Tough, rotating and washing at town stops.
For trail runners and fastpackers: Skip pre-taping for most training runs — it changes proprioception. Tape for races over 50K or for known problem areas specifically. Body Glide goes on every effort regardless of distance. The Merrell vs Salomon breakdown helps with brand selection for runners with specific foot-shape considerations.
For cold weather: Below 30°F, blister risk drops because feet stay firmer and drier. Cracked heels become the problem instead — apply Aquaphor or Bag Balm at night and sleep with a thin sock on. Leukotape does not stick as well in dry cold conditions; press the tape firmly and warm it with your hand for 20 seconds before applying.
Troubleshooting
Tape peeled within hours. Either skipped tincture of benzoin, applied to damp skin, or used the wrong tape entirely. Re-apply with the full prep sequence: alcohol wipe, dry completely, benzoin until tacky, tape with rounded corners, press for 10 full seconds.
New blister in a place never had one before. Usually means new shoes, new socks, or new pack-weight distribution affecting gait. The Osprey vs Deuter vs Gregory review covers load transfer details if it is pack-related.
Blister between toes despite toe socks. Toe socks are too thick or wrong size for the toebox in question. Try the Injinji Lightweight version instead of Midweight, or confirm your toebox has enough volume for the toe pockets to separate properly.
Same hot spot returns in the same location daily. Add an Engo patch to the inside of the shoe at that location. It is a shoe-geometry problem, not a skin problem, and no amount of skin-side tape fully solves it.
Blister fluid is cloudy, warm to the touch, or has red streaking radiating from it. This is infection — stop hiking, seek a clinician. Foot infections in backcountry conditions can progress to cellulitis within 24-48 hours. Do not continue to push through it.
When This Approach Is Not the Right One
If your shoes are fundamentally wrong — too narrow, too short, wrong category for the terrain — no tape system will save you. Fix the shoes first. Likewise, structural foot issues (bunions, hammer toes, severe pronation, neuromas) often require a podiatrist consultation rather than a trail-tested prevention protocol. This guide covers healthy feet in well-fitting shoes that occasionally blister from friction. It is not a medical guide.
For trips under 10K on smooth maintained trail in shoes that fit, this entire protocol is overkill. Just wear good socks and go.
Use Case Recommendations
- Weekend day hikers, under 15 miles: Darn Tough socks, Body Glide each morning. Add tape only if you have documented hot spots from prior hikes.
- Multi-day backpackers, 3-7 nights: Full system. Pre-tape, three sock rotations, Body Glide daily, Compeed in the first-aid kit.
- Thru-hikers: Full system plus Engo patches in your shoes from day one. Mail Leukotape resupply to town stops. Plan on sock replacement every 500 miles.
- Trail ultrarunners: Tape only for races. Body Glide every run. BlisterShield powder for races above 80°F or with extended wet sections.
- Fastpackers: Same as thru-hikers but re-tape at every overnight stop, not just at the start. Higher pace means higher friction per unit time.
Final Verdict
The single biggest upgrade most hikers can make is buying a roll of Leukotape P and learning to apply it correctly the night before a hike. Everything else in this guide is supporting infrastructure around that one piece of tape. Combine it with the right socks, shoes that actually fit your feet with room for swelling, and the 5-minute hot-spot response protocol, and you will finish trips with skin intact.
I bet a race finish on this system every training block and every event. It holds up.
Frequently Asked Questions
Is Leukotape P really better than KT Tape or athletic tape?
Yes, and it is not close. KT Tape and standard athletic tape are designed for joint support, not friction prevention. They stretch, which means they shift on skin and create the friction you are trying to prevent. Leukotape P has zero stretch and an adhesive engineered to hold through sustained sweat and water immersion. I have tested all three on identical hikes. Leukotape outlasts the alternatives by a full day in wet conditions.
Should I pop a blister on the trail?
Leave intact blisters alone. Puncturing creates a bacterial entry point in a non-sterile field environment. If a blister pops on its own, clean the area with an alcohol wipe, let it dry completely, cover with a Compeed hydrocolloid bandage secured with Leukotape at the edges. Monitor for signs of infection — spreading redness beyond the blister margin, increasing warmth, pus, or any red streaking extending from the site, any of which means stop hiking and seek medical attention.
Are Gore-Tex hiking boots better for blister prevention?
Not always. Gore-Tex is effective in cold rain where keeping water out matters more than breathability. In warm conditions, Gore-Tex traps heat and sweat inside the boot, creating a wetter internal environment than a well-draining non-waterproof mesh shoe. Wet feet blister faster than dry feet, so in temperatures above 60°F with sustained aerobic effort, non-waterproof trail shoes frequently result in fewer blisters than GTX-lined boots.
What is the best sock for preventing blisters between toes?
Injinji toe socks are the only format that eliminates toe-on-toe friction at the source. They work best in footwear with a generous toebox — Altra, Topo Athletic, and wider Hoka models. In narrow-toeboxed boots, the individual pockets compress and the benefit disappears. As a secondary option, a thick merino sock reduces inter-toe friction for most foot shapes but does not eliminate it the way separated toe pockets do.
How much do feet swell during a hiking day?
Feet typically swell 0.5 to 1 full shoe size during sustained multi-day hiking, with the majority of swelling in the first 2-3 hours and after significant elevation gain. This is why a thumb’s width of toebox space is the correct starting minimum. Boots that feel slightly loose at the trailhead will feel correct at mile 8. Boots that feel perfect in-store will typically cause toe blisters on the first meaningful descent.
What is the single most important piece of blister-prevention gear?
Proper boot fit, by a significant margin — and this is not a purchasable product but a process. No tape, lubricant, or sock selection compensates for a boot that is geometrically wrong for your foot. Get fitted at a specialty outdoor store where staff can assess arch height, forefoot width, and volume on your actual foot. The difference between a boot that fits and one that almost fits can mean 20 blisters across 100 trail miles versus zero.
Nina Reeves is a trail runner and fastpacker with 8+ years of gear testing across UTMB qualifiers, 100-milers, and unsupported mountain routes through the Alps, Sierra Nevada, and San Juan Mountains. Her reviews focus on performance under sustained effort in real conditions.