Underwear

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!

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.

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, Smartwool's 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.

Everyone deserves a bra that supports while also adding comfort. That’s where Smartwool's Women’s Intraknit™ Strappy Bra can help. Cut to follow the contours of your body, it combines next-to-skin Merino wool comfort with external shape and lift. If you’re looking for all-day comfort and support, your search ends here.

Bringing the benefits of Merino—softness, odor resistance, and moisture management—Smartwool's Women’s Intraknit™ Crop Bra is so comfortable, you can wear it all day. Designed to support, its cups provide shape and lift. Plus, its racerback style offers even weight distribution without the shoulder dig. For any low-impact activity or even everyday wear, this bra has you covered.

Saucony kept the classic, supportive design runners know and love from the original Skyrocket Bra, but added a new mesh back panel for extra ventilation and a plush lining for added comfort.

In the height of competition, it's not worth your while to stick with gear that can't keep up. That's why we designed the Pinnacle Collection - it dries fast, won't cling, and makes it feel like you're running in absolutely nothing. That's true freedom.

Run with confidence. The best-selling sports bra minimizes bounce while securing the essentials. Tucked snugly into the laser-cut pocket between your shoulder blades, your phone is still easily accessible on the go.

Light, flexible and breathable, the Signature Sports Bra is designed to provide maximum comfort and freedom of movement. A definite must-have.

Patagonia's most popular briefs are lightweight, seamless and made of stretchy fabric with miDori™ bioSoft for added wicking and softness, and HeiQ® Pure odor control. Fair Trade Certified™ sewn.

Patagonia's most popular briefs are lightweight, seamless and made of stretchy fabric with miDori™ bioSoft for added wicking and softness, and HeiQ® Pure odor control. Fair Trade Certified™ sewn.

This low-riding hipster underwear is made of lightweight fabric with miDori™ bioSoft for added wicking and softness, and HeiQ® Pure odor control. Made with 88% nylon (40% is recycled) and 12% spandex. Fabric's made to be breathable and moisture wicking for long walks in town or hikes in the woods. Fair Trade Certified™ sewn.

Made of 89% nylon (48% recycled)/11% spandex with HeiQ® Pure odor control, these seamless hipster underwear dry quickly and stay put. Fair Trade Certified™ sewn.

Patagonia's favorite all-purpose, seamless bra hugs the body, supports a variety of sizes and is made of synthetic fabric with miDori™ bioSoft for added wicking and softness, and HeiQ® Pure odor control. Fair Trade Certified™ sewn.

This comfortable racerback bra is made of a soft, quick-drying nylon (67% recycled)/spandex. HeiQ® Fresh durable odor control. Fair Trade Certified™ sewn. The Barely Bra provides breathable, all-day comfort with slender, no-dig straps that meet into a flattering, comfortable racerback. An underbust panel offers support for B/C cups. Feminine details like the center gather for shaping and a double fabric front for modesty are nice extra touches.

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.

Featuring the innovative Shape Shield fabric, the Q SPEED Shape Shield Crop Bra provides lightweight coverage and comfort to help you stay focused on your performance. Designed for medium impact activities like cycling and running, this women's workout tank also has moisture-wicking NB DRYx, mesh piecing for breathability and an elastic hem with storage pockets to tuck in small valuables for a hands-free workout. Removable cups. Women's Supportive Fit

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.

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.

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. The durable merino blend provide assistance regulating your body temperature in all weather conditions. Because it was made in the mountains rather than in a petrochemical laboratory. Merino wool fibre is naturally renewable, recyclable and biodegradable.

A sleek, modern-fit bra with our soft and stretchy corespun merino wool fabric, the Siren Bra is comfortable, supportive and breathable.

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.

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.

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.

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.

The benchmark against which all others are judged, the 200 Oasis Shorts feature their most versatile merino jersey fabric for year-round layering performance across any activity. With the soft merino fibers, they will help regulate the body's temperature, no matter weather conditions while also resisting odors.

An everyday cami top with 100% merino wool fabric and a built-in shelf bra, the Siren Bra Cami provides total support and comfort.

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.

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.

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.