Underwear

This best selling, and warmest, base layer, just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more comfort with a pack.

Change can be a good thing. Smartwool has improved the fit on their 100% Merino bottoms with new side seams and a curved seam in the back to help provide a slimming effect while reducing sag and excess fabric. The Women's Merino 250 Baselayer Bottoms are designed to keep you doing what you love while staying comfortable-helping keep your body temperature-regulated and wrapping you in unbelievable Merino wool softness.

This best selling and warmest base layer, 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.

Blending the remarkable properties of Merino wool and PRIMALOFT®, this baselayer is designed for active use in cold conditions. Premium Merino wool draws vapour sweat away from the body whilst high quality PRIMALOFT® yarns wick liquid sweat across the outer surface, allowing it to dry quickly.

Blending the remarkable properties of Merino wool and PRIMALOFT®, this baselayer is designed for active use in cold conditions. Premium Merino wool draws vapour sweat away from the body whilst high quality PRIMALOFT® yarns wick liquid sweat across the outer surface, allowing it to dry quickly.

Blending the remarkable properties of Merino wool and PrimaLoft®, this baselayer is designed for active use in cold conditions. Premium Merino wool draws vapour sweat away from the body whilst high quality PrimaLoft® yarns wick liquid sweat across the outer surface, allowing it to dry quickly.

Two-layer construction MERINO BLEND base layer bottom. Warm on the outside and soft on the inside. The covered wide elastic waistband makes sure that it stays comfortably in place. MULTI style for women.

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 go-to base layer top for everyday comfort and active days outside, the 200 Oasis Long Sleeve Crewe Skis in Snow is made with soft and warm 100% merino wool. Combining a flattering silhouette with technical performance, this versatile top offers natural breathability and odor-resistance. The updated design features underarm gussets and set-in sleeves for added mobility, and offset shoulder seams and flatlock stitching throughout to prevent chafing, wherever your adventures take you. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Warm, Breathable, Stylish, Odor-resistant FEATURES: Offset shoulder seams prevent pack rub, Flatlock seams prevent chafing, Set-in sleeve construction with raglan back, 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: 200 Lightweight FABRIC: 100% Merino Wool

The 250 Vertex Leggings Crystalline are midweight merino wool base layer bottoms for warm, breathable performance in cold conditions. FIT: Slim LAYER: Base Layers STYLE: #104721 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

A versatile favorite for cold-weather comfort, the 250 Vertex Long Sleeve Half Zip Snow Storm is made from incredibly soft, 100% merino wool for natural stretch and warmth. Worn as a midweight base layer or warm mid layer, it’s equally high-performing on a trail run in mild weather, on a cold day’s skiing or for relaxing in comfort aprés-ski. The merino fiber is naturally breathable and odor-resistant to keep you in your comfort zone, wherever your adventures take you, and the half-zip design lets you easily adjust to changing temperatures. The droptail hem offers additional coverage, while offset, flatlock seams prevent chafing when you’re wearing a pack. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Warm, Breathable, Odor-resistant, Stretchy FEATURES: Zip neck collar for temperature regulation, Offset shoulder seams prevent pack rub, 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

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

A lightweight technical baselayer designed with Icebreaker's BodyfitZONE™ construction, the 150 Zone Long Sleeve Crewe offers intelligent ventilation for year-round moisture management and stretchy, quick-drying performance. A versatile baselayer that works layered up on the ski hill as well as worn alone on a warm trail run, the Zone features corespun fibers—nylon threads wrapped in soft merino wool and blended with LYCRA® for the ultimate combination of durability, stretch and next-to-skin softness. Strategically zoned panels of highly breathable merino mesh increase ventilation for high-output days. Underarm gussets and raglan sleeves improve range of motion, and flatlock stitching prevents chafing during dynamic pursuits. FIT: Slim LAYER: Base Layers BEST FOR: Adventure, Snow Sports BENEFITS: Comfort, Warm, Breathable, Lightweight FEATURES: Corespun fabric for enhanced durability, LYCRA® content for stretch and mobility, soft open neck, 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: 72.7cm/38½", size M, Icebreaker heat transfer logo FABRIC WEIGHT: 150 Ultralight FABRIC: Body: 83% Merino Wool, 12% Nylon, 5% LYCRA®. Eyelet: 85% Merino Wool, 14% Nylon, 1% LYCRA®

A lightweight technical zip-neck baselayer designed with BodyfitZONE™ construction, the 150 Zone Long Sleeve Half Zip offers intelligent ventilation for year-round moisture management and stretchy, quick-drying performance. A versatile baselayer that works layered up on the ski hill as well as worn alone on a warm trail run, the Zone features corespun fibers—nylon threads wrapped in soft merino wool and blended with LYCRA® for the ultimate combination of durability, stretch and next-to-skin softness. Strategically zoned panels of highly breathable merino mesh increase ventilation for high-output days, and the zip-neck design allows you to quickly dump excess heat. Underarm gussets and raglan sleeves improve range of motion, and flatlock stitching prevents chafing during dynamic pursuits. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure, Training BENEFITS: Comfort, Warm, Breathable, Lightweight FEATURES: Corespun fabric for enhanced durability, 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: 72.7cm/38½", size M, Icebreaker heat transfer logo FABRIC WEIGHT: 150 Ultralight FABRIC: Body: 83% Merino Wool, 12% Nylon, 5% LYCRA® Eyelet: 85% Merino Wool, 14% Nylon, 1% LYCRA®

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

A stretchy merino baselayer shirt ideal for long, high-output days on the bike, trail, skis or the rock, the 200 Zone Long Sleeve Crewe is the ultimate active baselayer top. The 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 on the trail or in the mountains. 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, 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

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

Heavyweight women’s merino wool baselayer bottoms for highly aerobic days in cold weather, the 260 Zone Leggings features zoned ventilation panels for active temperature regulation and ample breathability. FIT: Slim LAYER: Base Layers STYLE: #104396 FEATURES: Updated design LYCRA® content for stretch and mobility Corespun fabric for enhanced durability Strategically placed merino mesh for ventilation Flatlock seams prevent chafing Icebreaker branded brushed elastic waistband,gusset for comfort and mobility FABRIC WEIGHT: 260 Midweight PRODUCT WEIGHT: Medium = 209 g / 7.37 oz FABRIC CONTENT: Body: 97% Merino Wool, 3% LYCRA® Eyelet: 98% Merino Wool, 1% LYCRA®, 1% Nylon

Comfortable, technical and ideal for any fast-paced pursuit in warm weather, the Meld Zone Hipkini uses body-mapped merino-blend fabrics to keep you cool, dry and comfortable when you’re moving fast. These active, slim-fit underwear feature super-soft jersey corespun fabric, which uses nylon threads wrapped in merino wool for added durability that retains incredible next-to-skin softness, as well as natural TENCEL® and a touch of LYCRA® for stretch and comfort. In key areas, the Meld Zone features panels of eyelet merino mesh, to amplify ventilation and manage moisture when you’re on the move in hot conditions. FIT: Slim LAYER: Underwear BEST FOR: Hike, Adventure, Training BENEFITS: Comfort, breathability, odor resistance, stretch FEATURES: Cool-Lite™ fabric for faster wicking. Corespun fabric for enhanced durability. LYCRA® content for stretch and mobility. Strategically placed merino eyelet for ventilation. Forward set side seams for comfort. Flatlock seams prevent chafing. Icebreaker heat transfer logo. FABRIC WEIGHT: 155 Ultralight FABRIC: Body: 50% Merino Wool / 33% TENCEL® / 12% Nylon / 5% LYCRA® Eyelet: 51% Merino Wool / 34% TENCEL® / 15% Nylon