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.

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.

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 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

Our midweight, 100% merino wool base layer top for optimal comfort and breathability in cold conditions, the 250 Vertex Long Sleeve Half Zip Crystalline offers a unique look and feel.

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.