Men's Underwear › Smartwool › mens lightweight merino wool blend

Intraknit Thermal Merino Wool Blend Quarter Zip Base Layer

Men's Smartwool Intraknit Thermal Merino Wool Blend Quarter Zip Base Layer - Green - Sweatshirts This base layer is made from a merino wool blend with 3D mapping for a near-custom fit and features superior ventilation for long-lasting dry comfort. more

Intraknit Thermal Merino Wool Blend Quarter Zip Base Layer

Men's Smartwool Intraknit Thermal Merino Wool Blend Quarter Zip Base Layer - Blue - Sweatshirts This base layer is made from a merino wool blend with 3D mapping for a near-custom fit and features superior ventilation for long-lasting dry comfort. more

Smartwool Merino 250 Baselayer 3/4 Bottom - Men's Black 2XL SW016365001-XXL

Smartwool Merino 250 Baselayer 3/4 Bottom - Men's Black 2XL SW016365001-XXL. Made from Merino wool these base layer pants offer breathable warmth by wicking sweat away from the body and by moving sweat from your swim trunks into your thong-styled feet.... more

Classic Thermal Merino Wool Crewneck Base Layer

Men's Smartwool Classic Thermal Merino Wool Crewneck Base Layer - Blue - Long sleeve t-shirts This base layer is made from breathable merino wool and features shoulder panels and flatlock seams to help improve functionality and prevent chafing. more

Smartwool Men's Intraknit Thermal Max Merino Base Layer Pants, Black SKU - 518227

The cutting-edge Smartwool Men's Intraknit Thermal Max Merino Base Layer Pants are here to help you warm up to cold weather. 3D-knit articulation adds an enhanced fit and helps keep you as mobile as ever. Merino Sport Yarn helps provide quicker dry... more

Smartwool Merino 250 Baselayer 1/4 Zip - Men's Black Medium SW016355001

Smartwool Merino 250 Baselayer 1/4 Zip - Men's Black Medium SW016355001. As one of our heaviest base layer tops and best base layers for cold weather this garment uses 100percent responsibly sourced Merino wool shoulder panels and a flatlock seam... more

Smartwool Merino Sport 120 Long Sleeve - Men's Charcoal Heather Extrta Large SW016546010XL

Smartwool Merino Sport 120 Long Sleeve - Men's Charcoal Heather Extrta Large SW016546010XL. With comfort features like offset shoulder and side seams to help minimize chafing this very light and soft tee is made with a blend of ZQ-certified Merino wool... more

Smartwool Merino Sport 120 Long Sleeve - Men's Charcoal Heather Large SW016546010L

Smartwool Merino Sport 120 Long Sleeve - Men's Charcoal Heather Large SW016546010L. With comfort features like offset shoulder and side seams to help minimize chafing this very light and soft tee is made with a blend of ZQ-certified Merino wool with... more

Smartwool Men's Intraknit Thermal Max Merino Base Layer Pants, Black SKU - 541671

The cutting-edge Smartwool Men's Intraknit Thermal Max Merino Base Layer Pants are here to help you warm up to cold weather. 3D-knit articulation adds an enhanced fit and helps keep you as mobile as ever. Merino Sport Yarn helps provide quicker dry... more

Smartwool Merino 250 Baselayer 1/4 Zip - Men's Deep Navy Large SW016355092-L

Smartwool Merino 250 Baselayer 1/4 Zip - Men's Deep Navy Large SW016355092-L. As one of our heaviest base layer tops and best base layers for cold weather this garment uses 100percent responsibly sourced Merino wool shoulder panels and a flatlock seam... more

Smartwool Merino 250 Baselayer Bottom - Men's Large Charcoal Heather SW016361010-L

Smartwool Merino 250 Baselayer Bottom - Men's Large Charcoal Heather SW016361010-L. The technical benefits of 100percent Merino wool will help you keep your game at a high level for longer. And our heaviest weight wool fabric will help keep you warm... more

Smartwool Intraknit Merino 200 Crew - Women's Black/White Small SW019284960-S

Smartwool Intraknit Merino 200 Crew - Women's Black/White Small SW019284960-S. Our Women's Intraknit Merino 200 Crew is a lightweight super-moveable top made for all of your most extreme cold-weather activities. With Merino Sport yarns and... more

Smartwool Merino Sport 120 Long Sleeve - Men's Charcoal Heather Large SW016546010L

Smartwool Merino Sport 120 Long Sleeve - Men's Charcoal Heather Large SW016546010L. With comfort features like offset shoulder and side seams to help minimize chafing this very light and soft tee is made with a blend of ZQ-certified Merino wool with... more

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Medium SW016544010M

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Medium SW016544010M. Its super-light performance fabric-a blend of ZQ-certified Merino wool with Tencel performance fabric-will help keep you cool when your intensity amps up and its... more

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Black Small SW0169520011-001 BLACK-S

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Black Small SW0169520011-001 BLACK-S. The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With the Core Spun technology they've wrapped lightweight... more

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Black Small SW0169520011-001 BLACK-S

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Black Small SW0169520011-001 BLACK-S. The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With the Core Spun technology they've wrapped lightweight... more

Smartwool Intraknit Merino 200 Crew - Men's Black/White 2XL SW019286960-XXL

Smartwool Intraknit Merino 200 Crew - Men's Black/White 2XL SW019286960-XXL. Our Men's Intraknit Merino 200 Crew is a lightweight super-moveable top made for all of your most extreme cold-weather activities. With Merino Sport yarns and gender-specific... more

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Extrta Large SW016544010XL

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Extrta Large SW016544010XL. Its super-light performance fabric-a blend of ZQ-certified Merino wool with Tencel performance fabric-will help keep you cool when your intensity amps up and... more

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Small SW016544010S

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Small SW016544010S. Its super-light performance fabric-a blend of ZQ-certified Merino wool with Tencel performance fabric-will help keep you cool when your intensity amps up and its... more

Smartwool Merino Sport 120 Long Sleeve - Men's Charcoal Heather Small SW016546010S

Smartwool Merino Sport 120 Long Sleeve - Men's Charcoal Heather Small SW016546010S. With comfort features like offset shoulder and side seams to help minimize chafing this very light and soft tee is made with a blend of ZQ-certified Merino wool with... more

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Medium SW016544010M

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Medium SW016544010M. Its super-light performance fabric-a blend of ZQ-certified Merino wool with Tencel performance fabric-will help keep you cool when your intensity amps up and its... more

Smartwool Intraknit Merino 200 Crew - Men's Black/White Medium SW019286960-M

Smartwool Intraknit Merino 200 Crew - Men's Black/White Medium SW019286960-M. Our Men's Intraknit Merino 200 Crew is a lightweight super-moveable top made for all of your most extreme cold-weather activities. With Merino Sport yarns and gender-specific... more

Smartwool Merino Sport 120 Long Sleeve - Men's Charcoal Heather Small SW016546010S

Smartwool Merino Sport 120 Long Sleeve - Men's Charcoal Heather Small SW016546010S. With comfort features like offset shoulder and side seams to help minimize chafing this very light and soft tee is made with a blend of ZQ-certified Merino wool with... more

Smartwool Intraknit Thermal Merino Base Layer Crew - Mens Winter Moss 2XL SW019286K181-XXL

Smartwool Intraknit Thermal Merino Base Layer Crew - Mens Winter Moss 2XL SW019286K181-XXL. Smartwool Men's Intraknit Thermal Merino Base Layer Crew is a lightweight super-moveable top made for all of your most extreme cold-weather activities. With... more

Smartwool Intraknit Merino 200 Crew - Men's Black/White Large SW019286960-L

Smartwool Intraknit Merino 200 Crew - Men's Black/White Large SW019286960-L. Our Men's Intraknit Merino 200 Crew is a lightweight super-moveable top made for all of your most extreme cold-weather activities. With Merino Sport yarns and gender-specific... more

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather 2XL SW016544010XXL

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather 2XL SW016544010XXL. Its super-light performance fabric-a blend of ZQ-certified Merino wool with Tencel performance fabric-will help keep you cool when your intensity amps up and its... more

Smartwool Intraknit Merino 200 Crew - Men's Black/White Small SW019286960-S

Smartwool Intraknit Merino 200 Crew - Men's Black/White Small SW019286960-S. Our Men's Intraknit Merino 200 Crew is a lightweight super-moveable top made for all of your most extreme cold-weather activities. With Merino Sport yarns and gender-specific... more

Smartwool Intraknit Thermal Merino Base Layer Crew - Mens Winter Moss 2XL SW019286K181-XXL

Smartwool Intraknit Thermal Merino Base Layer Crew - Mens Winter Moss 2XL SW019286K181-XXL. Smartwool Men's Intraknit Thermal Merino Base Layer Crew is a lightweight super-moveable top made for all of your most extreme cold-weather activities. With... more

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Iron Heather Large SW016952D361-L

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Iron Heather Large SW016952D361-L. The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With the Core Spun technology they've wrapped lightweight... more

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Iron Heather Small SW016952D361-S

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Iron Heather Small SW016952D361-S. The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With the Core Spun technology they've wrapped lightweight... more

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Black Large SW0169520011-001 BLACK-L

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Black Large SW0169520011-001 BLACK-L. The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With the Core Spun technology they've wrapped lightweight... more

Smartwool Intraknit Merino 200 Crew - Men's Black/White Extra Large SW019286960-XL

Smartwool Intraknit Merino 200 Crew - Men's Black/White Extra Large SW019286960-XL. Our Men's Intraknit Merino 200 Crew is a lightweight super-moveable top made for all of your most extreme cold-weather activities. With Merino Sport yarns and... more

Smartwool Intraknit Merino 200 Crew - Men's Black/White Extra Large SW019286960-XL

Smartwool Intraknit Merino 200 Crew - Men's Black/White Extra Large SW019286960-XL. Our Men's Intraknit Merino 200 Crew is a lightweight super-moveable top made for all of your most extreme cold-weather activities. With Merino Sport yarns and... more

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Large SW016544010L

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Large SW016544010L. Its super-light performance fabric-a blend of ZQ-certified Merino wool with Tencel performance fabric-will help keep you cool when your intensity amps up and its... more

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Small SW016544010S

Smartwool Merino Sport 120 Short Sleeve - Men's Charcoal Heather Small SW016544010S. Its super-light performance fabric-a blend of ZQ-certified Merino wool with Tencel performance fabric-will help keep you cool when your intensity amps up and its... more

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Black Large SW0169520011-001 BLACK-L

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Black Large SW0169520011-001 BLACK-L. The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With the Core Spun technology they've wrapped lightweight... more

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Iron Heather Medium SW016952D361-M

Smartwool Classic All-Season Merino Base Layer Long Sleeve - Men's Iron Heather Medium SW016952D361-M. The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With the Core Spun technology they've wrapped lightweight... more

Smartwool Intraknit Merino 200 Crew - Men's Black/White 2XL SW019286960-XXL

Smartwool Intraknit Merino 200 Crew - Men's Black/White 2XL SW019286960-XXL. Our Men's Intraknit Merino 200 Crew is a lightweight super-moveable top made for all of your most extreme cold-weather activities. With Merino Sport yarns and gender-specific... more