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Men's Baselayers

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      Man wearing a burgundy merino T-shirt, front view #color_burgundy
      A man models a super soft, short sleeved merino wool t shirt. Use it as a base layer under your work shirt, or wear it all by itself during your next summer summit, back view #color_burgundy
      Lightweight 170 Men's Wool T-Shirt

      100% Merino Wool

      from $69.99
      +1
      Best Seller
      Front view of a man modeling the lightweight long sleeved merino wool base layer crew neck top #color_olive-drab-green
      Side view of a man modeling the olive drab lightweight long sleeved merino wool base layer crew neck top #color_olive-drab-green
      Lightweight 170 Men's Thermal Long Sleeve

      100% Merino Wool

      from $79.99
      Best Seller
      Minus33 Merino Wool Clothing Saratoga Men's Lightweight Wool Bottom#color_tan-499
      Lightweight - Saratoga Men's Bottom 100% Merino Wool - Minus33 Merino Wool Clothing#color_tan-499
      Lightweight 170 Men's Base Layer Bottoms

      100% Merino Wool

      from $79.99
      Sale
      Minus33 Merino Wool Clothing Ticonderoga Men's Lightweight Wool Crew, front view
      Lightweight - Ticonderoga Men's Crew 100% Merino Wool - Minus33 Merino Wool Clothing
      Lightweight Men's Long Sleeve Crew

      Clearance

      $74.99 $59.99 Save $15.00
      Sale
      Minus33 Merino Wool Clothing Kearsarge Lightweight Wool #color_black
      Lightweight - Kearsarge Polo 100% Merino Wool - Minus33 Merino Wool Clothing, back three-quarter view #color_black
      Lightweight Kearsarge Polo

      Clearance

      $74.99 $49.99 Save $25.00
      Sale
      Crew Neck Desert Sand Warm Comfortable Minus33 Merino Wool
      Crew Neck Desert Sand Warm Comfortable Minus33 Merino Wool, back view
      Lightweight Algonquin Men's T-Shirt Crew

      Clearance

      $65.99 $49.99 Save $16.00
      Sale
      A man models a super soft, short sleeved men's lightweight merino wool t shirt. Use it as a base layer under your work shirt, or wear it all by itself during your next summer summit. #color_black
      A man models a super soft, short sleeved merino wool merino wool t shirt. Use it as a base layer under your work shirt, or wear it all by itself during your next summer summit. #color_black
      Test Lab: Batch 496 Men's Wool T-Shirt

      100% Merino Wool

      $69.99 $49.99 Save $20.00
      Minus33 logo tee shirt
      Person wearing a khaki t-shirt with 'MINUS 33' logo on a white background
      Lightweight Merinoholics Logo'd T-Shirt

      100% Merino Wool

      $69.99
      Sale
      Minus33 Merino Wool Clothing Saratoga Men's Lightweight Wool Bottom#color_black
      Lightweight - Saratoga Men's Bottom 100% Merino Wool - Minus33 Merino Wool Clothing#color_black
      Test Lab: Batch 496 Men's Base Layer Bottoms

      100% Merino Wool

      $79.99 $59.99 Save $20.00
      Sale
      A man models the lightweight long sleeved merino wool base layer crew neck top #color_black
      Side view of a man modeling the lightweight long sleeved merino wool base layer crew neck top #color_black
      Test Lab: Batch 496 Men's Thermal Long Sleeve

      100% Merino Wool

      $79.99 from $59.99 Save $20.00

      THE MINUS33 DIFFERENCE

      merino sheep durable comfortable natural resource organic wear cute animals farm sheering

      SUSTAINABLE
      & ETHICAL

      - Woolmark Quality Standard

      - OEKO-TEX Standard 100

      - Responsible Wool Standard

      - Earth-Conscious Packaging

      SAR Kit Search and rescue base layers warm hiking boating mountains accident Minus33

      GIVING BACK &

      SAVING LIVES

      We re-purpose & package gently worn & factory second base layers into SAR Warming Kits distributed FREE to first responders across the USA and Canada.

      Two runners in merino tops jogging along a forest trail

      SATISFACTION
      Guarantee

      - 30-Day Returns/Exchanges

      - Free Shipping Over $50

      - NH-USA Customer Service

      - 2-Year Product Warranty*

      hard working new hampshire ashland woolen mills history historic sock machine made in NH John Glidden Lawson Glidden Scribner Building

      5TH GENERATION
      FAMILY-OWNED

      We are a 5th-generation family-owned business in New Hampshire with over a century of woolen textile manufacturing expertise. Quality without compromise.

      merino sheep durable comfortable natural resource organic wear cute animals farm sheering

      SUSTAINABLE
      & ETHICAL

      - Woolmark Quality Standard

      - OEKO-TEX Standard 100

      - Responsible Wool Standard

      - Earth-Conscious Packaging

      SAR Kit Search and rescue base layers warm hiking boating mountains accident Minus33

      GIVING BACK &

      SAVING LIVES

      We re-purpose & package gently worn & factory second base layers into SAR Warming Kits distributed FREE to first responders across the USA and Canada.

      Two runners in merino tops jogging along a forest trail

      SATISFACTION
      Guarantee

      - 30-Day Returns/Exchanges

      - Free Shipping Over $50

      - NH-USA Customer Service

      - 2-Year Product Warranty*

      hard working new hampshire ashland woolen mills history historic sock machine made in NH John Glidden Lawson Glidden Scribner Building

      5TH GENERATION
      FAMILY-OWNED

      We are a 5th-generation family-owned business in New Hampshire with over a century of woolen textile manufacturing expertise. Quality without compromise.

      Men's Baselayers