Underwear

Through the trees, across the park, and up the mountain, a fast pace never looked so good. Just pull on this Merino 250 Asym Top and go. Made with Smartwool's heaviest weight Merino, this top will keep you warm and cozy. It also helps regulate body temperature and manage moisture when you're on the move. A cowl neck with asymmetrical zipper allows you to dial in the style and heat you need. Flatlock seams help eliminate chafing.

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.

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.

With a new fit that is designed to eliminate sag and excess fabric, the Women's Merino 250 Baselayer Pattern Bottom will help keep you looking good, while feeling good. New, figure-flattering seams and a Merino-covered waistband provide a brand-new fit, while the 100% ultra-soft Merino gives you the comfort you expect from Smartwool® baselayers.

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.

Classy and feminine with a Nordic inspired design, the Kari Traa Løkke Half Zip provides plenty of extra warmth on the coldest days. The Løkke Half Zip is a premium base layer made from superfine, 100 percent Merino wool. It is wonderfully soft on the skin, breathable and naturally odor-resistant. Wool fibers provide supreme isolation both while dry and wet. Soft handfeel Comfortable Next-to-skin comfort Warming Jacquard knit Flatlock seams for smooth finish Chin guard with zip garage Front zip back placket Cuff sleeve ending Embroidered logo

Classy and feminine with a Nordic inspired design, the Kari Traa Løkke Pant provides plenty of extra warmth on the coldest days. The Løkke Pant is a premium base layer made from superfine, 100 percent Merino wool. The pants have a tight fit with a Jacquard knitted waistband. Wool fibers provide supreme isolation both while dry and wet. Soft handfeel Comfortable Next-to-skin comfort Warming Jacquard knit Jacquard knitted elastic waistband Embroidered logo

An icon of the Scandinavian winter, Kari Traa Rose base layers provide maximum warmth and are perfect for building up on cold days. The Rose Half Zip has a classy, feminine design and is made from super fine, 100 percent Merino wool with 4-way stretch. It is wonderfully soft on the skin, breathable and naturally odor-resistant. Thinner side panels under the arms and a half zip with a high collar increase breathability. A “must have” base layer. Wool fibers provide supreme isolation both while dry and wet. Stretch fabric mapping for better fit and movement Soft handfeel Comfortable Next-to-skin comfort Warming Jacquard knit Flattering cut lines Flatlock seams for smooth finish Chin guard with zip garage Front zip design for optimal ventilation Cuff sleeve ending Embroidered logo Contrast details Wardrobe favorite

An icon of the Scandinavian winter, Kari Traa Rose base layers provide maximum warmth and are perfect for building up on cold days. The Rose Pant is tight fitting with a classy, feminine design and is made from super fine, 100 percent Merino wool with 4-way stretch. It is wonderfully soft on the skin, breathable and naturally odor-resistant. Thinner side panels increase breathability and a strong elastic waistband keeps the pants snugly in place. A “must have” base layer. Wool fibers provide supreme isolation both while dry and wet. Soft handfeel Comfortable Next-to-skin comfort Warming Jacquard knit Flattering cut lines Flatlock seams for smooth finish Elastic waistband Jacquard knitted elastic waistband Embroidered logo Wardrobe favorite

Pronounced "Sharm," the Sjarm Half Zip from Kari Traa will charm its way right into all of your off-summer activities. This stylish baselayer knows no equal in look and function. With this Merino wool piece, you will find it right at home whether fighting off your coworker's a/c habits to leaving the chill out while riding the lift to your favorite section of snow. Style it with the pant of the same name and have an outfit that few others will dare. Merino wool Extremely comfortable next to skin Cuff sleeve endings Contrast detailing Stretch fabric mapping for exceptional fit and movement on all body types

The Kari Traa Sjarm Pant is a warm and wonderfully comfortable,100 percent wool base layer with a unique Nordic design for the coldest days. Super fine Merino wool with 4-way stretch makes the Sjarm Pant feel ultra-soft on the skin, breathable and naturally odor-resistant. Thinner panels on the backside allow excess heat to escape for extra comfort when highly active. A strong jacquard knitted elastic waistband and tight fit keep the pants in place while you move. Wool fibers provide supreme isolation both while dry and wet. Soft handfeel Comfortable Next-to-skin comfort Warming Jacquard knit Flattering cut lines Flatlock seams for smooth finish Jacquard knitted elastic waistband Embroidered logo

Kari Traa Åkle Half Zip 100% superfine merino wool is the natural choice for cold weather. Soft against the skin, breathable and natural odor-resistant. Åkle is inspired by old Norwegian heritage and knitting traditions. Kari Traa have given the classic pattern an upbeat modern twist. Look cool, have fun. Wool fibers provide supreme isolation both while dry and wet. Stretch fabric mapping for better fit and movement Soft handfeel Comfortable Next-to-skin comfort Warming Jacquard knit Chin guard with zip garage Front zip design for optimal ventilation Cuff sleeve ending Embroidered logo

The Kari Traa Åkle Hood is a 100 percent superfine merino wool baselayer - and a natural choice for fun in cold weather. Soft against the skin, breathable and naturally odor-resistant, Åkle is inspired by old Norwegian heritage and knitting traditions with an upbeat, modern twist. Wool fibers provide supreme isolation both while dry and wet. Stretch fabric mapping for better fit and movement Soft handfeel Comfortable Next-to-skin comfort Warming Jacquard knit Front closure with buttons Cuff sleeve ending Lined hood Embroidered logo

Kari Traa Åkle Pant 100% superfine merino wool is the natural choice for cold weather. Soft against the skin, breathable and natural odor-resistant. Åkle is inspired by old Norwegian heritage and knitting traditions. Kari Traa have given the classic pattern an upbeat modern twist. Look cool, have fun. Wool fibers provide supreme isolation both while dry and wet. Stretch fabric mapping for better fit and movement Soft handfeel Comfortable Next-to-skin comfort Warming Jacquard knit Jacquard knitted elastic waistband Embroidered logo

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

Combining the natural benefits of pure merino wool with a super-comfortable and classic boy short silhouette, the 200 Oasis Boy Shorts are the perfect all-purpose active underwear. These lightweight boys shorts feature an updated non-bunching design made with Icebreaker's classic 100% merino wool jersey fabric for premium comfort and breathable, odor-resistant performance any day of the week. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Warm, Breathable, Moves with you FEATURES: Icebreaker branded brushed elastic waistband, no side seams for comfort, flatlock seams prevent chafing FABRIC WEIGHT: 200 Lightweight FABRIC: 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 reliable go-to layer for everyday comfort and active days outside, the 200 Oasis Long Sleeve Crewe features a technically capable yet flattering silhouette with the benefits of 100% merino wool. Made with Icebreaker's most versatile merino jersey fabric, the Oasis provides super-soft, next-to-skin comfort, incredible breathability and natural odor resistance. The updated design features underarm gussets and set-in sleeves for added mobility, and offset shoulder seams and flatlock stitching throughout prevent chafing across the spectrum of daily motion. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Warm, Breathable 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

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

A go-to base layer top for everyday comfort and active days outside, the 200 Oasis Long Sleeve Crewe Sky Paths 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

These are the midweight base layer bottoms for your cold-weather adventures. The 250 Vertex Leggings Snow Storm are made with incredibly soft, 100% merino wool in a comfortable and warm 250gm jacquard knit. They feel great next to your skin and the fabric is naturally breathable and odor-resistant to keep you in your comfort zone, wherever the trail takes you. They feature a gusseted design for unrestricted movement and are a good weight to layer under shell pants for the frostiest days. Flatlock seams prevent chafing on snowshoe hikes, backcountry ski tours and other active days in the cold. INSEAM: M = 74.6cm/29¼" FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Warm, Breathable, Odor-resistant, Stretchy 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 top for cold conditions, the 250 Vertex Long Sleeve Half Zip Crystalline in 100% merino wool is naturally high-performing as a warm mid layer or heavyweight base layer. FIT: Slim LAYER: Base Layers STYLE: #104719 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 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