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Underwear

Lightweight merino wool hot pants perfect for daily wear or kicking back after a long day outside, the Sprite Hot Pants feature a flattering slim fit and offset seams for all-day comfort. The durable merino blend provide assistance regulating your body temperature in all weather conditions.
$29.00 $79.99 64% Off
If you've been looking for a high-impact sports bra for running, you've arrived at the right place. This bra features built-in molded cups that lift and hold you in. An open scoopback design plus adjustable straps and back closure offer complete comfort.
$29.00 $64.99 Up to 55% Off
Run without worries — your search for a sports bra with phone pocket is over. This smooth, sleek bra offers motion-reducing, compressive, high-impact support and multiple pockets for storage — including one for your phone. Offering lab-proven, high-impact support in a wide range of sizes. Lightweight, compressive materials reduce motion while delivering run-ready comfort.
$29.00 $64.99 55% Off
The Drive Convertible run bra provides the right amount of compression for high-impact support without sacrificing comfort. Double your style and wear this bra as a crossback or scoopback just by hooking or unhooking the back straps together.
$29.00 $64.99 55% Off
The Drive Convertible run bra provides the right amount of compression for high-impact support without sacrificing comfort. Double your style and wear this bra as a crossback or scoopback just by hooking or unhooking the back straps together.
$39.99
Whether you're lounging at home or trekking to parts unknown, ultra-comfy, responsibly sourced Merino next to skin helps regulate body temperature, manages sweat, and resists odor for all-day comfort. The Women's Merino Bikini features smooth, flatlock stitching to help eliminate chafing and a fun color to brighten your day.
$40.00 - $45.00
Soft and stretchy merino wool underwear with a modern slim fit, the Siren Bikini features Icebreaker's corespun fabric that’s incredibly soft and durable. With the soft merino fibers, they will help regulate the body's temperature, no matter weather conditions while also resisting odors.
$44.99
The Women's Intraknit Bikini Boxed by Smartwool is a definite when going out for a run. Ergonomically mapped to the body, they're built to be incredibly breathable and airy in all the right places. Made with merino wool, which has natural moisture wicking properties and is also odor preventive. They are also are flat and borderline seamless for maximum comfort. The perfect underwear for all your training needs!
$45.00
An ultra-comfy underwear bottom for everyday wear, the Siren Hipkini features ultra-lightweight corespun merino blend fabric that’s durable, stretchy and incredibly soft.
$49.50 $99.00 50% Off
A classic, all-around polyester baselayer with 100% recycled content. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Fresh durable odor control keeps things fresh. Fair Trade Certified™ sewn.
$49.50 $99.00 50% Off
A classic, all-around polyester baselayer with 100% recycled content. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Fresh durable odor control keeps things fresh. Fair Trade Certified™ sewn.
$49.99
Smartwool's Women's Intraknit Hipster underwear are all about helping you feel your best. They are seamless knit and put responsibly sourced Merino next to skin for enhanced comfort, moisture management, and temperature regulation. They are perfect for everything from racking up miles to relaxing in the unmatched comfort of Merino.
$49.99
Smartwool's Women's Intraknit Hipster underwear are all about helping you feel your best. They are seamless knit and put responsibly sourced Merino next to skin for enhanced comfort, moisture management, and temperature regulation. They are perfect for everything from racking up miles to relaxing in the unmatched comfort of Merino.
$50.00
Lightweight merino wool hot pants perfect for daily wear or kicking back after a long day outside, the Sprite Hot Pants feature a flattering slim fit and offset seams for all-day comfort. The durable merino blend provide assistance regulating your body temperature in all weather conditions.
$56.99
Light, flexible and breathable, the Signature Sports Bra is designed to provide maximum comfort and freedom of movement. A definite must-have.
$59.99
An essential comfort piece, wear the Padded Underwear under your favorite pants or shorts for a seamless cycling-proof style.
$60.00
Featuring a slim, modern fit and our corespun merino wool fabric for durable comfort, the Siren Bra offers the support you need with a soft, sleek and stretchy construction.
$64.99
Run without worries — your search for a sports bra with phone pocket is over. This smooth, sleek bra offers motion-reducing, compressive, high-impact support and multiple pockets for storage — including one for your phone. Offering lab-proven, high-impact support in a wide range of sizes. Lightweight, compressive materials reduce motion while delivering run-ready comfort.
$69.99
Upgrade your standard crossback sports bra. This streamlined bra offers high-impact support for running — after all, running’s more comfortable when your boobs stay put. Molded cups lift and hold you in, while the pullover design minimizes distractions.
$70.00
A breathable, supportive racerback bra made with durable and super-soft corespun merino blend fabric, the Sprite Racerback Bra allows for full range of motion and all-day comfort. The durable merino blend provide assistance regulating your body temperature in all weather conditions.
$79.99
If you've been looking for a high-impact sports bra for running, you've arrived at the right place. This bra features built-in molded cups that lift and hold you in. An open scoopback design plus adjustable straps and back closure offer complete comfort.
$79.99
Equal parts sports bra and workout crop top, the Women’s Active Crop Bra was made for low-impact, high-sweat situations. Feel supported and dry with a Merino/TENCEL™ blend at the bottom band that wicks moisture, making it ideal for hot yoga, Pilates, and more. Breathable, four-way stretch fabric lets you move, stretch, and flex your way.
$84.99
Know how, with some bras, the first thing you want to do when you get home is take it off? Well, here’s a bra you’ll love having on. With the softness and moisture management of Merino wool next to your skin, our Women’s Intraknit™ Racerback Bra also offers an outer layer designed for support, shape, and lift. Plus, its racerback style offers even weight distribution without the shoulder dig. With so many reasons to love, this bra can complement most any low-impact activity—and leave you feeling comfortable all day.
$85.00
A soft and stretchy tank top with a sleek, feminine design for everyday layering comfort, the Siren Tank features our durable and incredibly soft corespun merino wool blend fabric.
$89.99
This bra has your back — and your front. Designed for running, the Dare Racerback Run Bra 2.0 delivers high-impact support plus comfort. Built-in molded cups lift and hold you in while the adjustable straps and back closure offer a personalized fit. Comfortable & secure support
$90.00
An essential everyday camisole made with soft, stretchy, and durable jersey corespun, the Siren Bra Cami features soft, built-in support and a natural feel. With the soft merino fibers, they will help regulate the body's temperature, no matter weather conditions while also resisting odors.
$90.00
A soft and stretchy long sleeve T-shirt for everyday comfort and layering, the Siren Short Sleeve Sweetheart features a slim fit and the corespun merino wool blend fabric.
$99.00
A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Pure odor control keeps things fresh. Fair Trade Certified™ sewn.
$99.00
A classic, all-around polyester baselayer with 100% recycled content. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Fresh durable odor control keeps things fresh. Fair Trade Certified™ sewn.
$100.00
Versatile year-round base layer bottoms made with 100% merino wool and a slim fit, the 175 Everyday Leggings offer premium breathability, odor-resistance and next-to-skin comfort. Made in the mountains rather than in a petrochemical laboratory. Merino wool fibre is naturally renewable, recyclable and biodegradable.
$100.00
Whether worn alone on warm-weather hikes or as a next-to-skin layer for frigid days at the ski resort, the 175 Everyday Long Sleeve Crewe is a versatile year-round baselayer made with Icebreaker's 100% merino wool rib-knit fabric. With a flattering slim fit, and all-natural breathability and odor-resistance, this do-it-all top is perfect for any active adventure.
$100.00
A soft and stretchy women’s T-shirt with an updated fit and fabric that makes it even more comfortable, the Siren Long Sleeve Sweetheart is made with Icebreaker's corespun fabric, soft merino wool fibers wrapped around a nylon core for added strength and durability, while retaining next-to-skin softness. Ideal for year-round use whether traveling, hiking, or relaxing after a big day outside, the Siren Long Sleeve Sweetheart also features a flattering neckline and a fit that’s perfect for everyday comfort and layering.
$109.00
A classic, all-around polyester baselayer, with 50-100% recycled content. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Fresh durable odor control keeps things fresh. Fair Trade Certified™ sewn.
$124.99
When you're looking for the comfort and benefits of Merino without adding extra fabric in your ski boots, the Women's Classic Thermal Merino Base Layer 3/4 Bottom is the perfect solution. In these base layer pants, 100% Merino wool provides breathability and comfort, while an enhanced fit helps reduce excess fabric so you can layer easily and love your adventures.
$125.00
Icebreaker's best-selling base layer bottoms made from soft and breathable 100% merino wool jersey, the 200 Oasis Leggings are the perfect foundation for your cold-weather layering. With the soft merino fibers, they will help regulate the body's temperature, no matter weather conditions while also resisting odors.
$125.00
A versatile women’s merino wool go-anywhere base layer shirt made from breathable 100% merino wool jersey, the 200 Oasis Long Sleeve Crewe is Icebreaker's best-selling base layer top. The merino fibers help regulate your body temperature in all weather conditions and resists odors.
$135.00
A versatile women’s merino wool base layer shirt with a zip-neck design for added ventilation and breathability, the 200 Oasis Long Sleeve Half Zip combines casual comfort with technical performance. Icebreaker Oasis base layers are what the company is famous for. These best-sellers are designed to contour the body and will easily flex with you, allowing maximum movement, whatever the activity. Not too heavy, not too light, the Oasis is made from 100% merino midweight jersey, making them your go to base layers for year-round layering and everyday comfort.
$139.99
Change can be a good thing! Smartwool has improved the fit on their 100% Merino bottom with new side seams and a curved seam in the back that provides a slimming effect, while reducing sag and excess fabric. Their Women's 250 Baselayer Bottoms are designed to keep you doing what you love while staying comfortable, helping with temperature regulation and wrapping you in unbelievable softness.
$139.99
Meet the new and improved Women's Merino 250 Base Layer Crew. Smartwool updated this 100% Merino wool fan favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels and its flatlock seam construction help prevent chafing and increase your comfort level. Add one of their best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.
$139.99
Meet the new and improved Women's Merino 250 Base Layer Crew. Smartwool updated this 100% Merino wool fan favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels and its flatlock seam construction help prevent chafing and increase your comfort level. Add one of their best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.
$139.99
Meet the new and improved Women's Merino 250 Base Layer Crew. Smartwool updated this 100% Merino wool fan favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels and its flatlock seam construction help prevent chafing and increase your comfort level. Add one of their best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.
$145.00
Midweight base layer bottoms perfect for skiing, winter hiking, or cold-weather layering, the 260 Tech Leggings are a warmer version of the best-selling Oasis Leggings, made with 100% merino wool.
$149.99
Smartwool has updated the fit of their Women's 250 Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of their heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as keep you comfortable and temperature-regulated as you enjoy high-intensity skiing, hiking, running, and more.
$149.99
Built to fit, flex, and follow you like a shadow, our Women's Intraknit™ Thermal Merino Base Layer Bottom uses our innovative 3D knitting technology to create our most insulated, ventilated, and flexible base layer bottoms ever. These women's wool pants feature Merino Sport yarn to offer the power of Merino paired with the durability and fast dry times of polyester — perfect for skiing, running, and all your high-intensity training.
$150.00
An incredibly warm merino base layer for the coldest months of the year, the 260 Tech High Rise Leggings are go-to piece for winter layering—ideal for skiing, snowshoeing and other cold-weather pursuits.
$155.00
A warmer, midweight version of Icebreaker's best-selling Oasis, the 260 Tech Long Sleeve Half Zip is a go-to piece for winter layering, made with 100% merino wool.
$159.99
This minimalist-style crew is anything but insignificant. The Women's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino Sport yarns and gender-specific ventilation perfectly placed to maximize thermoregulation and breathability in high-intensity activities, it helps amplify moisture management, movement, and comfort. When you're in our best base layers, you're ready for anything.
$170.00
A midweight merino base layer top designed to help regulate temperature during high-intensity activity, the 200 ZoneKnit™ Long Sleeve Crewe features 100% pure and natural merino wool.
$179.99
Smartwool's Intraknit™ fabric is 3D-knit with Merino Sport yarns to be lighter weight with a cleaner finish. This women’s wool baselayer is perfect for a day of outdoor activity in cool to warm weather, because it will help keep your body dry and comfortable, and its fit won’t slow you down. For all your hiking, jogging, or other athletic adventures, this top will be there for you.
$179.99
The Women's Intraknit™ Merino Thermal Leggings are here to elevate all your high-intensity activities. Made with Intraknit™ technology for enhanced insulation and ventilation to amplify movement and featuring a flattering high-rise waist, you'll never want to break a sweat in another legging again. Best for: Sweat-Inducing, high-energy activities in cold weather.
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