Underwear

Smartwool's best selling, and warmest, baselayer, just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more comfort with a pack.

The Women's Merino Sport Fleece 1/2 Zip Pullover features stretchy, knit fabric, brushed Merino next to skin, and durable synthetic material against the elements to balance comfort and protection. An eco-conscious non-PFC, DWR on the knit surface helps provide additional weather protection. With a rib-knit insert at the center back seam and inner cuff for added comfort and style, this pullover will quickly become a go-to favorite for winter.

All-purpose, year-round baselayer bottoms made with super-soft, 100% pure merino wool, the 175 Everyday Leggings are perfect for everything from summer nights in camp to frigid days at the ski resort. Featuring a rib-knit fabric for premium comfort and stretch and a contoured slim fit for smooth layering and moisture wicking performance, the Everyday Leggings are ready for any active day outside. INSEAM: Medium = 72.8cm / 28¾" FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Warm, Breathable, Lightweight FEATURES: Rib fabric provides stretch and comfort, Icebreaker branded brushed elastic waistband, inseam: 72.8cm/28¾", size M FABRIC WEIGHT: 175 Ultralight FABRIC: 100% Merino Wool

Midweight merino leggings with a capri-length design for use with ski boots and winter footwear, the breathable, odor-resistant 200 Oasis Legless base layer bottoms are made from 100% merino wool.

Icebreaker's go-to lightweight baselayer bottoms made with their classic merino jersey fabric, the 200 Oasis Leggings provide the natural benefits of merino wool in a highly versatile, highly comfortable design. Icebreaker's original 100% merino wool jersey insulates during frigid days on the trail or the ski hill, and it resists odors and breathes efficiently on runs, hikes and summer trips into the mountains. The updated design features a gusseted construction for unrestricted movement, and a brushed elastic waistband and flatlock seams for chafe-free comfort. INSEAM: Medium = 74.6cm / 29¼" FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Warm, Breathable, Moves with you FEATURES: Icebreaker branded brushed elastic waistband, flatlock seams prevent chafing, gusset for comfort and mobility, inseam: 74.6cm/29¼", size M FABRIC WEIGHT: 200 Lightweight FABRIC: 100% Merino Wool

A versatile women’s merino wool base layer shirt, the 200 Oasis Long Sleeve Crewe combines casual comfort with technical performance.

A warmer midweight version of Icebreaker's best-selling Oasis Leggings, perfect for frigid days on the trails or the mountain, the 260 Tech Leggings feature an updated 100% merino wool fabric for premium softness, insulation and breathability. These odor-resistant insulating baselayer bottoms also feature a gusseted construction for ample range of motion, and flatlock stitching throughout to eliminate chafing when you’re on the move. INSEAM: Medium = 74.6cm / 29¼" FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Warm, Breathable, Odour Resistant, Moves with you FEATURES: Icebreaker branded brushed elastic waistband, flatlock seams prevent chafing, gusset for comfort and mobility, inseam: 74.6cm/29¼", size M FABRIC WEIGHT: 260 Midweight FABRIC: 100% Merino Wool

Midweight women’s merino wool base layer leggings perfect for skiing, winter hiking or cold-weather layering, the 260 Tech Leggings are technical long underwear bottoms that feature a gusseted construction and breathable, odor-resistant fabric.

A cold-weather women’s merino wool top, the Women’s Tech Long Sleeve Crewe is a midweight base layer for skiing, snowshoeing and other winter pursuits.

Icebreaker's go-to cold-conditions baselayer for deep powder days at the resort, quiet snowshoe hikes and other frigid pursuits, the 260 Tech Long Sleeve Crewe is reliable, highly versatile and extremely comfortable. Made with Icebreaker's heavyweight 100% merino wool jersey fabric, the Tech Crewe insulates, breathes and resists odors during active days or long trips away from home. Forward side seams and offset shoulder seams prevent chafing when you’re wearing a pack or moving fast. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Warm, Breathable, Odour Resistant, Moves with you FEATURES: Offset shoulder seams prevent pack rub, flatlock seams prevent chafing, forward side seams for comfort, underarm gusset for comfort and mobility, drop tail hem for added coverage, center back length: 69cm/27¼", size M, Icebreaker tonal embroidered logo FABRIC WEIGHT: 260 Midweight FABRIC: 100% Merino Wool

Icebreaker's go-to cold-conditions baselayer for deep powder days at the resort, quiet snowshoe hikes and other frigid pursuits, the 260 Tech Long Sleeve Half Zip is reliable, highly versatile and extremely comfortable. Made with heavyweight 100% merino wool jersey fabric with a zip-neck design for quick temperature adjustments, the Tech Crewe insulates, breathes and resists odors during active days or long trips away from home. Forward side seams and offset shoulder seams prevent chafing when you’re wearing a pack or moving fast. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Warm, Breathable, Odour Resistant, Moves with you FEATURES: Zip neck collar for temperature regulation, offset shoulder seams prevent pack rub, flatlock seams prevent chafing, forward side seams for comfort, underarm gusset for comfort and mobility, drop tail hem for added coverage, center back length: 69cm/27¼", size M, Icebreaker tonal embroidered logo FABRIC WEIGHT: 260 Midweight FABRIC: 100% Merino Wool

Lightweight, all-season baselayer bottoms with a gusseted design and a touch of stretch, the 200 Zone Leggings offer breathable insulation and unrestricted range of motion on any day of the year. The Zone features BodyfitZONE™ construction, which combines lightweight stretch merino wool jersey fabric with strategically placed merino mesh panels to help improve ventilation and regulate temperature during stop-and-go days of skiing, climbing and cold-weather hiking. The brushed elastic waistband and flatlock stitching keep these bottoms from chafing during day after day of dynamic motion. INSEAM: Medium = 72cm / 28¼" FIT: Slim LAYER: Base Layers BEST FOR: Adventure, Snow Sports BENEFITS: Comfort, Warm, Breathable, Odour Resistant, Moves with you FEATURES: Updated design, LYCRA® content for stretch and mobility, strategically placed merino mesh for ventilation, flatlock seams prevent chafing, Icebreaker branded brushed elastic waistband, gusset for comfort and mobility FABRIC WEIGHT: 200 Lightweight FABRIC: Body: 96% Merino Wool, 4% LYCRA®. Eyelet: 98% Merino Wool, 1% LYCRA®, 1% Nylon

For highly active, high-output days on the bike, skis, trail or the rock, the 200 Zone Long Sleeve Half Zip provides all the benefits of merino wool with strategic ventilation. The 200 Zone features BodyfitZONE™ construction, which combines lightweight stretch merino wool jersey fabric with strategically placed merino mesh panels to improve ventilation and help regulate temperature during stop-and-go days. A deep half zip aids in dumping heat when you’re moving fast, and the gusseted side panels keep the shirt from pulling up while reaching. Flatlock stitching eliminates chafing during day after day of dynamic motion. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Warm, Breathable, Odour Resistant, Moves with you FEATURES: LYCRA® content for stretch and mobility, zip neck collar for temperature regulation, strategically placed merino mesh for ventilation, flatlock seams prevent chafing, raglan sleeve construction for mobility, underarm gusset for comfort and mobility, dropped front and back hem for added coverage, center back length: 70.2cm/27¾", size M, Icebreaker heat transfer logo FABRIC WEIGHT: 200 Lightweight FABRIC: Body: 96% Merino Wool, 4% LYCRA® Eyelet: 98% Merino Wool, 1% LYCRA®, 1% Nylon

Designed to provide baselayer warmth in a minimalist package that’s ideal for spring ski tours, cool-weather climbs and other active days in mild conditions, the 200 Zone Shorts are fully gusseted for unrestricted movement. The Zone Shorts feature BodyfitZONE™ construction, which combines lightweight stretch merino wool jersey fabric with strategically placed merino mesh panels to improve ventilation and help regulate temperature. The brushed elastic waistband and flatlock stitching keep these bottoms from chafing during day after day of dynamic motion. INSEAM: Medium = 25.6cm / 10" FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Warm, Breathable, Odour Resistant, Moves with you FEATURES: LYCRA® content for stretch and mobility, Icebreaker branded brushed elastic waistband, strategically placed merino mesh for ventilation, flatlock seams prevent chafing, gusset for comfort and mobility, inseam: 25.6cm/10", size M FABRIC WEIGHT: 200 Lightweight FABRIC: Body: 96% Merino Wool, 4% LYCRA® Eyelet: 98% Merino Wool, 1% LYCRA®, 1% Nylon

Soft and stretchy women’s bikini underwear with a modern slim fit, the Siren Bikini features Icebreaker's corespun merino wool blend and provides enough coverage with the best possible fit and shape for go-to, everyday comfort.

Featuring a slim, modern fit and Icebreaker's corespun merino wool fabric for durable comfort, the Siren Bra offers the support you need with a soft, sleek and stretchy construction.

A soft and stretchy women’s cami updated with an improved fit and Icebreaker's Corespun fabric, the Siren Cami is sleek, stylish and ideal for everyday layering. Icebreaker's corespun fabric uses nylon fibers wrapped in merino wool for added strength and durability that retains next-to-skin softness, while the Siren’s flattering scoop neck and flattering fit offer feminine style. FIT: Slim LAYER: Underwear BEST FOR: Hike, Adventure BENEFITS: Comfort, Breathable, Durable, Odor Resistant FEATURES: Corespun fabric for enhanced durability, LYCRA® content for stretch and mobility, feminine scoop neck, adjustable strap construction, Icebreaker tonal screenprint logo FABRIC WEIGHT: 150 Ultralight FABRIC: 83% Merino Wool, 12% Nylon, 5% LYCRA® corespun PRODUCT WEIGHT: Medium = 100 g / 3.52 oz

An ultra-comfy underwear bottom for everyday wear, the Siren Hipkini is made from Icebreaker's ultra-lightweight corespun merino jersey with a touch of LYCRA® for stretch.

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. FIT: Slim LAYER: Underwear BEST FOR: Lifestyle, Adventure, Hike BENEFITS: Comfort, Breathable, Durable, Odor Resistant FEATURES: Corespun fabric for enhanced durability, LYCRA® content for stretch and mobility, soft v-neck, Icebreaker tonal screen print logo FABRIC WEIGHT: 150 Ultralight FABRIC: 83% Merino Wool, 12% Nylon, 5% LYCRA®

A soft and stretchy women’s tank top made with Icebreaker's corespun merino wool blend fabric for durable comfort, the Siren Tank features a feminine scoop neck and sleek design for everyday comfort and layering.

Lightweight women’s hot pants made with super-soft merino wool jersey corespun fabric for durable comfort, the Sprite Hot Pants feature a flattering slim fit and offset seams for all-day comfort during active or casual use.

A soft and supportive women’s racerback bra made with merino wool corespun fabric for durable performance, the Sprite Racerback Bra allows for full range of motion and all-day comfort.

A soft and supportive women’s racerback bra made with Icebreaker's merino wool jersey corespun fabric, the Sprite Racerback Bra features improved cup shaping and an open back design that improves freedom of movement. Highly breathable corespun fabric uses nylon fibers wrapped in merino wool for added strength and durability that maintains next-to-skin softness, and Icebreaker have added a power mesh lining to improve moisture management and comfort. The no-side-seam design prevents underarm chafing when you’re on the move. For more fun, wear this bra with the Sprite Hot Pants in various colors. FIT: Slim LAYER: Underwear BEST FOR: Hike, Adventure BENEFITS: Comfort, support, breathability, odor resistance, style, durability FEATURES: Corespun fabric for enhanced durability, LYCRA® content for stretch and mobility, wide open racerback with low cut arm holes, cup inserts for enhanced fit and support, support level: low to medium, flatlock seams and no side seam prevent underarm chafing, Icebreaker branded elastic FABRIC WEIGHT: 150 Ultralight FABRIC: 83% Merino Wool, 12% Nylon, 5% LYCRA® corespun PRODUCT WEIGHT: Medium = 74 g / 2.61 oz