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Men's Baselayers

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      31 products
      Best Seller
      A man models a super soft, long sleeved Men's Midweight Merino Wool Base Layer. This top makes for a perfect first layer on a winter hike, or a nice casual wear on the chilly days of autumn and spring. #color_olive-drab-green
      A man models a super soft, long sleeved merino wool thermal base layer crew. This top makes for a perfect first layer on a winter hike, or a nice casual wear on the chilly days of autumn and spring, back view #color_olive-drab-green
      Midweight 245 Men's Thermal Base Layer Crew

      100% Merino Wool

      from $89.99
      +3
      Best Seller
      Minus33 Merino Wool Clothing Kancamagus men's midweight merino wool base layer bottoms#color_forest-green
      Minus33 Merino Wool Clothing Kancamagus Men's Midweight Wool Bottom thermal baselayer, back view of the base layer bottoms #color_forest-green
      Midweight 245 Men's Base Layer Bottoms

      100% Merino Wool

      from $89.99
      +1
      New Colors
      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
      XS to 4X
      navy blue mens Heavyweight Merino Wool Thermal Bottoms #color_navy
      mens expedition weight thermal bottoms navy blue#color_navy
      Heavyweight 400 Men's Thermal Bottoms

      100% Merino Wool

      from $149.99
      XS to 4X
      Man wearing a men's thermal merino wool shirt.
      Man wearing a black heavyweight merino crew, side profile #color_black
      Heavyweight 400 Men's Thermal Long Sleeve

      100% Merino Wool

      from $149.99
      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
      A man models the microweight merino wool t shirt, your perfect choice for hitting the gym or setting foot on the trails. Raglan sleeves and side panels create a garment that moves with you #color_slate-blue
      Side view of a man modeling the microweight Merino wool t shirt in slate blue, your perfect choice for hitting the gym or setting foot on the trails. Raglan sleeves and side panels create a garment that moves with you #color_slate-blue
      Microweight 145 Men's Wool Raglan T Shirt

      Woolverino

      $69.99
      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
      100% Merino Wool Kinsman Turtleneck - Midweight. Did you know that in the UK a turtleneck is called a polo neck? And in Australia and New Zealand, it’s called a Skivvy? We say, call it whatever you want, but make sure you have one! Great for skiing, hunting, fishing, hiking, or just plain old taking your dog for a walk. You’ll grow to love this Merino turtleneck when you need a little extra something to keep your neck warm.color_charcoal-gray
      100% Merino Wool Kinsman Turtleneck - Midweigh#color_charcoal-gray
      Midweight 245 Men's Turtleneck

      100% Merino Wool

      $109.99
      100% Merino Wool Rogers Mock Neck - Midweight. When a full turtleneck is too much, this Rogers Mock Neck will still keep you warm and comfortable. The Rogers is a favorite of law enforcement, so you know it gets the job done. The 100% Australian Merino Wool is soft next to the skin and makes a great base layer, or can be worn by itself when you attend your next stylish dinner party. #color_navy
      100% Merino Wool Rogers Mock Neck - Midweight #color_navy
      Midweight 245 Men's Mock Neck

      100% Merino Wool

      $109.99
      Midweight - Men's Long Sleeve Button Up 100% Merino Wool. Our best-selling Midweight fabric now as a long-sleeve henley. midlayer. View 1. #color_navy
      Midweight - Men's Long Sleeve Button Up 100% Merino Wool. Our best-selling Midweight fabric now as a long-sleeve henley. midlayer. View 2. #color_navy
      Midweight 245 Men's Long Sleeve Henley

      100% Merino Wool

      $109.99
      100% Merino Wool Tecumseh Men's 3/4 Bottom - Midweight. As a ski or snowboard enthusiast, you know you don’t want bulk. That’s why we designed these 3/4 bottoms specifically to be worn with ski or snowboard boots. Pair them up with our Merino Ski and Snowboard Sock and you will be warm, comfortable, and bulk-free!
      100% Merino Wool Tecumseh Men's 3/4 Bottom - Midweight
      Midweight 245 Men's 3/4 Bottom

      Woolverino

      $74.99
      Minus33 Merino Wool Clothing Woolverino Men's Micro Wool Sleeveless. When the heat sets in, stay cool with our Woolverino Micro Sleeveless. The range of movement you expect from a sleeveless combined with the extreme moisture-wicking power of Merino Wool will keep you going even when the elements try to stand in your way.#color_ash-gray
      Minus33 Merino Wool Clothing Woolverino Men's Micro Wool Sleeveless#color_ash-gray
      Microweight 145 Men's Wool Sleeveless Tank Top

      Woolverino

      $64.99
      Minus33 Merino Wool Clothing Chugach Men's Expedition Zip-Off 3/4 Bottoms. View 1. #color_charcoal-gray
      Minus33 Merino Wool Clothing Chugach Men's Expedition Zip-Off 3/4 Bottoms. View 2. #color_charcoal-gray
      Midweight 245 Men's Flyless Running Tight

      Woolverino

      from $69.99
      New Colors
      Microweight Polo Short Sleeve Men's Comfortable Everyday Wear Minus33 Merino Wool Merinoholics. View 1. #color_navy
      Microweight Polo Short Sleeve Men's Comfortable Everyday Wear Minus33 Merino Wool Merinoholics. View 2. #color_navy
      Microweight 145 Men's Polo

      Woolverino

      $79.99
      Sale
      male model wearing midweight woolverino long sleeve crew. The Woolverino Midweight Crew gives you a slim-fitting top that moves with you. Yoked shoulders, side panels, and thumbholes keep your top in place. Our Woolverino core-spun blend adds extra durability while the amazing insulating power of merino wool keeps you warm and comfortable.
      Minus33 Merino Wool Clothing Woolverino Men's Midweight L/S Crew
      Midweight 245 Men's Wool Long Sleeve Crew

      Woolverino

      $84.99 $69.99 Save $15.00
      Front view of a male model wearing a fitted black lightweight Woolverino merino wool short-sleeve V-neck shirt and black base-layer bottoms #color_black
      lightweight micro wool vneck tee shirt t shirt short sleeve best wool for summer, back view #color_black
      Microweight 145 Men's Wool V-Neck T-Shirt

      Woolverino

      $69.99
      Minus33 Merino Wool Clothing Midweight Wool Union Suit. Front view.
      Minus33 Merino Wool Clothing Midweight Wool Union Suit. Back view.
      Midweight 245 Union Suit

      100% Merino Wool

      $179.99
      Sale
      100% Merino Wool Sentinel Men's S/S Crew - Midweight. The Sentinel is a one of a kind Men's Midweight Short Sleeve Tee. This Merino Wool Tee will insulate and stand guard over your body's core. Use this tee as a base layer during the early morning or as a lone t-shirt when the sun hits you after the summit. The natural odor resistance ability of Merino Wool will allow you and your friends to enjoy the ride home.
      Minus33 Merino Wool Clothing Sentinel Men's Midweight Wool S/S Crew
      Midweight 245 Men's Short Sleeve Crew

      Clearance

      $75.99 $49.99 Save $26.00
      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
      Midweight - Men's Long Sleeve V-Neck 100% Merino Wool. This timeless classic is now available in merino wool. Merino wool sweater #color_forest-green
      Midweight - Men's Long Sleeve V-Neck Sweater 100% Merino Wool #color_forest-green
      Midweight 245 Men's V-Neck Sweater

      100% Merino Wool

      $109.99
      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
      New Item
      A man models the microweight long sleeved merino wool base layer crew neck top #color_navy
      A man models the microweight long sleeved merino wool base layer crew neck top, back view #color_navy
      Microweight 145 Men's Wool Long Sleeve

      Woolverino

      $79.99
      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
      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
      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
      Sale
      Midweight merino wool base layer bundle in black. best thermal merino 2 piece baselayer set.
      A man models a super soft, long sleeved merino wool thermal base layer crew. This top makes for a perfect first layer on a winter hike, or a nice casual wear on the chilly days of autumn and spring. #color_black
      Midweight 245 Men's Thermal Baselayer Set

      100% Merino Wool

      $179.98 $161.99 Save $17.99
      Sale
      Three short-sleeve merino crewneck t-shirts in green, navy blue, and olive drab, arranged in a cascading stack on a white background. Merino t shirt for men
      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, front view #color_forest-green
      Lightweight 170 Men's Wool T-Shirt

      100% Merino Wool

      $209.97 $188.97 Save $21.00
      Sale
      Three merino wool t-shirts in tan 499, black, and green on a white background
      A man models the microweight Merino wool t shirt, your perfect choice for hitting the gym or setting foot on the trails. Raglan sleeves and side panels create a garment that moves with you #color_tan-499
      Microweight 145 Men's Wool Raglan T Shirt

      Woolverino

      $209.97 $188.99 Save $20.98

      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