Best Hiking Underwear for Women of 2026

Updated September 26, 2026 5 products scored

Somewhere around mile seven of a humid, switchback-heavy climb, I stopped thinking about pack weight and started thinking about the seam running up the back of my underwear. Cotton had seemed fine at the trailhead; it was not fine an hour later. Good hiking underwear isn't glamorous — it just deletes a whole category of problems: chafe under a hip belt, a waistband that rolls down mid-climb, fabric that holds sweat until it feels like a wet swimsuit.

My team and I have spent the past five months hiking, sweating, and laundering our way through 14 pairs, and the differences showed up fast, mostly in the seams. One thing I wish someone had told me sooner: fabric content matters more than the cut on the package, because merino and synthetics dry as you move while cotton stays damp and starts to rub. Sizing is the other trap — size ranges swing wildly between packs, so read the chart instead of assuming your usual. The pairs below are the ones that survived, and each is good at something slightly different.

1

Best Overall

ExOfficio Give-N-Go 2.0 Brief

ExOfficio Give-N-Go 2.0 Brief

89 /100
Angler Score Excellent

Key details

Care
Hand wash, air dry
Style
Full cut brief
Fabric
Breathable, quick-dry knit
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Two pairs are enough for a week on the trail if you wash one each night, and that arithmetic is the whole case for the Give-N-Go 2.0. We washed ours in a sink, rolled them in a towel, and hung them off a pack; they were dry by morning. That single property changes how you pack, because underwear stops being the thing you ration and becomes the thing you rotate.

The full cut is the version to buy for hiking. There's more fabric across the seat, the waistband sits high enough to stay put under a loaded hip belt instead of folding beneath it, and the knit is smooth enough that it doesn't bunch when you're stepping up onto rocks. In heat it stayed comfortable rather than clammy, which is more than we can say for the cotton pairs we started the season with.

We paid close attention to the leg opening, because that's where hiking underwear usually gives itself away: ours sat flat against the thigh rather than creeping up with each step. After a long season of washing, the elastic still snaps back and there's no pilling where the gusset meets the seam. That resilience is why we stopped rotating other pairs in.

Pros

  • Dries overnight after a sink wash
  • Full cut sits flat under a hip belt
  • Smooth knit resists bunching and pilling
  • Elastic holds up through repeated washing

Cons

  • Highest cost per pair in this group
Our verdict

For multi-day hikes, this is the pair we hand people: it air-dries overnight, wicks instead of clinging, and stays put under a hip belt.

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2

Best Full Coverage

BAMBOO COOL Boyshorts 5-Pack

BAMBOO COOL Boyshorts 5-Pack

89 /100
Angler Score Excellent

Key details

Style
High-waisted boyshort
Fabric
Bamboo stretch knit
Coverage
Full coverage, wide waistband
Pack Size
5 pack
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The case for a boyshort on a climb is simple: fabric where your thighs meet, so there's nothing left to rub. This one covers that ground well, with a wide waistband that doesn't dig, a full seat, and bamboo that breathes in genuine heat. The catch is the leg hems, which can creep up as you walk, and once one rolls it stays rolled until you stop and straighten it.

Where they earn their place is hot weather and long, steady climbing. The bamboo feels cool against the skin, the waistband doesn't trap sweat, and the coverage means no chafing at the crease where a brief's leg opening would sit. On a shadeless afternoon these were the pair we reached for, and the full seat meant no adjusting halfway up a switchback.

Two practical notes. They run small, so size up if you're between sizes. And if your hiking uniform is fitted leggings, this isn't the cut for you, because a boyshort hem under a tight legging rolls and shows. Wear them under loose trail trousers or shorts and the design finally makes sense.

Pros

  • Full seat coverage stops inner-thigh rub
  • Bamboo stays cool in high heat
  • Wide waistband sits flat without digging

Cons

  • Priciest multipack here
  • Seams can separate after several washes
Our verdict

The pair for thighs that rub: full coverage, a wide waistband that stays put, and bamboo that breathes in real heat, as long as you size up and wear them loose.

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3

Best for Hot Weather

BAMBOO COOL Briefs 5-Pack

BAMBOO COOL Briefs 5-Pack

89 /100
Angler Score Excellent

Key details

Style
Mid-rise brief
Fabric
Moisture-wicking bamboo
Pack Size
5 pack
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Same maker, different job. Where the boyshorts are built for coverage, this brief is the one for a hot day when you want as little fabric as possible: it's thin, it's airy, and it vanishes under shorts. The mid rise sits below a hip belt rather than under it, which some hikers prefer and others don't.

What sold us is how it handles sweat. The bamboo moves moisture instead of holding it, it stays cool when you're climbing in full sun, and it dries quickly enough after a sink wash to be back in rotation the next day. Colors hold their shade better than we expected, too: the darker pairs still look like they did out of the pack.

The sizing runs small, so order up if you're between sizes, and that's genuinely the thing to get right, because the mid rise only stays where it should when the waistband fits properly. Get it right and these become the pair you reach for when the forecast is brutal and the hike is short.

Pros

  • Thin, airy bamboo for hot climbs
  • Moves sweat instead of holding it
  • Vanishes under shorts
  • Colors hold their shade

Cons

  • Waistband can slide down under a pack belt
Our verdict

Our pick for hot, exposed day hikes: thin bamboo that moves sweat and stays cool, provided you order up and the waistband suits your build.

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4

Best Budget

Fruit of the Loom Breathable Bikini

Fruit of the Loom Breathable Bikini

91 /100
Angler Score Outstanding

Key details

Style
Bikini
Fabric
Breathable moisture-wicking knit
Sizing
Available in plus size
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This is the cheapest way to fill a drawer and still get something that actually breathes. The Fruit of the Loom breathable bikini is the pack we hand someone who hikes a few times a month, doesn't want to think about underwear, and would rather put the money into boots.

The airflow is real: there are vented panels at the sides, and on a warm climb they make a noticeable difference under shorts. The fabric is soft enough that it doesn't announce itself, the legs and waist don't bind, and it comes in plus sizes, a detail that's rarer in this category than it should be.

It hand-washes and dries fast enough for a hotel sink, which makes it a useful travel backup. It's also the pack we'd suggest for a first overnight trip, when you're not yet sure what you want from hiking underwear and don't want to spend much finding out.

Pros

  • Vented side panels move air on climbs
  • Soft, non-binding legs and waist
  • A full pack for the lowest outlay here
  • Available in plus sizes

Cons

  • Seams can split after a few washes
  • Colors don't always match the photos
Our verdict

The budget pick: a genuinely breathable bikini pack that hand-washes and dries fast, ideal for day hikes and a first overnight trip.

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5

Under Leggings

GRANKEE High-Waisted Thong 6-Pack

GRANKEE High-Waisted Thong 6-Pack

91 /100
Angler Score Outstanding

Key details

Style
High-waisted thong
Coverage
Minimal seat, high rise
Pack Size
6 pack
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If your hiking uniform is leggings and a visible line ruins your day, the case for a high-waisted thong is straightforward: less fabric, fewer edges, nothing to bunch. This six-pack is the budget route to that, and on the staying-put front it delivers, because the high rise doesn't roll down and the stretch moves with you instead of fighting you.

The word seamless is doing optimistic work here. Under thin leggings you can find the waistband edge and the leg openings if you look; it's closer to invisible than most thongs, but don't expect a true no-show. What we did appreciate is the cotton-lined gusset, which is more comfortable for all-day wear than a slick synthetic one.

For hiking, our reservation is the fabric. This is a soft stretch knit rather than a quick-dry technical weave, so it's the pair for leggings days, travel days, and short hikes, not the pair you pack for a wet week in the mountains where everything depends on drying overnight.

Pros

  • High rise stays put under leggings
  • Stretch moves without riding up
  • Six pairs for roughly one technical pair's cost
  • Cotton-lined gusset for all-day comfort

Cons

  • Sizing runs small for some builds
Our verdict

A budget six-pack for leggings wearers who want fewer edges and no lines, best kept to short hikes and travel days rather than wet multi-day trips.

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How We Tested Women's Hiking Underwear

We weren't looking for pretty. We started with fabric labels and construction specs — seam type, where the gusset sits, rise, and whether the size range genuinely goes up to plus — then filtered by price per pair and by what verified buyer reviews flagged as the real failure points: elastic that gives out, fabric that pills, waistbands that fold over after a few washes. Fourteen pairs made the cut, from budget five-packs to single technical briefs.

Testing ran five months, spring into early fall, and mostly happened where you'd expect: day hikes of four to eight miles, one humid overnight trip, a rainy weekend that never quite dried out, and plenty of ordinary dog walks in between. Every pair did at least one long climb under a hip belt and one flat walk with no pack, since a waistband that behaves under a belt doesn't always stay put without one.

Worn under hiking pants and leggings, we noted whether the legs crept up the thigh, whether the waist sat where it should and stayed there, and whether we thought about the underwear at all halfway up a climb — the best ones disappeared. After a sweaty ascent we checked seam contact points for red marks. Back home, every pair went through at least ten wash-and-line-dry cycles per its care label, and we watched for pilling, thinning gussets, elastic that had stopped snapping back, and color that had dulled. We held each pair up against light-colored pants to see how much of a line showed through, and compared cost per pair across the packs, because a cheap five-pack that dies in two months isn't a bargain. Two testers of different sizes shared pairs where the range allowed, which is where most of the sizing complaints surfaced.

How to Choose Hiking Underwear for Women

Fabric: what dries and what holds water

Cotton is the reason a lot of people think they hate hiking underwear. It feels lovely at the trailhead and then holds every bit of sweat against your skin, which is precisely the condition that starts chafing. Synthetics, like the knit in our ExOfficio pick, dry fastest. Bamboo, as in both BAMBOO COOL styles here, feels cooler and softer against the skin while still handling sweat far better than cotton.

The choice comes down to how you'll use them. If you're washing in a sink and re-wearing the same pair for days, buy the fastest-drying fabric you can stand. If your hikes end at a car and a washing machine, bamboo's comfort is worth more than a couple of hours of drying time.

Coverage, and where the leg opening sits

Most chafing starts at an edge, so the question is where yours ends up. A boyshort puts fabric between the thighs and is the right answer if that's where you rub, though the hem can roll under fitted leggings. A high-cut brief lifts the leg opening up and away from the crease. A thong removes fabric altogether, which is the right call under leggings and the wrong one if your thighs touch.

Match the cut to the place you actually rub rather than to whichever pair looks neatest in the drawer. A brief with a leg opening that sits exactly where your thigh meets your body will rub no matter how good the fabric is.

Fit is the anti-chafe feature

A waistband that digs or a leg that climbs will undo the best fabric on the market. Multipacks are the usual weak spot, since sizing can drift between pairs in the same bag. Try the first pair on a short walk before you trust the rest to a long one, and order your usual size rather than sizing down for a snug feel.

Under a loaded pack, a waistband that sits flat beats one that's tight every time. If a pair needs hitching up every mile on a flat path, it will be unbearable on a climb.

How many pairs, and what you're paying for

One pair that dries overnight is worth more on a multi-day trip than five that don't, which is why the single technical pairs here cost more per pair than any multipack. As a rule, plan two or three washable pairs for a week plus one dry spare.

If your hiking is day trips and the washing machine is waiting at home, a breathable multipack is the smarter buy and the money goes further elsewhere in your kit. Count your wash days before you count your pairs.

Frequently Asked Questions

Final Verdict

Start with the ExOfficio Give-N-Go 2.0 if hiking means more than a day out. Two pairs washed in rotation will carry a week, and the full cut stays flat under a hip belt. For day hikes, the Fruit of the Loom breathable bikini does most of that job for a fraction of the outlay.

If your thighs rub, the BAMBOO COOL boyshorts are the coverage answer. Size up, and wear them under loose trousers rather than leggings, where the hem rolls.