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guy winter hiking putting on an expedition weight 1/4 zip
Tops
man ontop of a mountain zipping up his expedition weight zip off pants with midweight base layer bottoms underneath
Bottoms
man putting on pants while wearing minus33 merino wool lightweight boxer brief underwear
Underwear
man sitting in camping tent while wearing minus33 merino wool lightweight base layer thermal shirt
Base Layers
closeup of man wearing minus33 merino wool expedition 1/4 zip mid layer shirt
Mid-Layers
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      50 products
      XS to 6X
      100% Merino Wool Chocorua Men's Crew - Midweight
      Midweight - Chocorua Men's Crew 100% Merino Wool - Minus33 Merino Wool Clothing

      Midweight

      Chocorua Men's Crew

      100% Merino Wool

      from $79.99
      XS to 6X
      Minus33 Merino Wool Clothing Kancamagus Men's Midweight Wool Bottom
      Minus33 Merino Wool Clothing Kancamagus Men's Midweight Wool Bottom

      Midweight

      Kancamagus Men's Bottom

      100% Merino Wool

      from $79.99
      Minus33 Merino Wool Clothing Algonquin Men's Lightweight Wool S/S Crew. Greatgreat tee! Use it as a base layer on a chilly morning or wear it all by itself during your next summer summit. Soft, no stank, and versatile, you won’t believe how often you’ll be reaching for it. Perfect as you transition through different temperatures.
      Minus33 Merino Wool Clothing Algonquin Men's Lightweight Wool S/S Crew

      Lightweight

      Algonquin Men's T-Shirt Crew

      100% Merino Wool

      $69.99
      XS to 4X
      navy blue mens base layer bottoms
      mens expedition weight thermal bottoms navy blue

      Expedition

      Katmai Men's Bottom

      100% Merino Wool

      from $139.99
      XS to 4X
      Minus33 Merino Wool Clothing Acadian Men's Lightweight Wool Boxer Brief
      Minus33 Merino Wool Clothing Acadian Men's Lightweight Wool Boxer Brief

      Lightweight

      Acadian Men's Boxer Brief

      100% Merino Wool

      from $44.99
      XS to 4X
      Minus33 Merino Wool Clothing Yukon Men's Expedition Wool Crew. The Yukon is a 400 g/m2 Crew Neck designed to keep in body heat and be super comfortable as a base layer. The fine micron 100% Australian Merino Wool garments will rapidly wick away moisture during periods of high activity while preventing heat loss during inactive times. This piece is designed to be one of the warmest layering tops you will find.
      Expedition - Yukon Men's Crew 100% Merino Wool - Minus33 Merino Wool Clothing

      Expedition

      Yukon Men's Crew

      100% Merino Wool

      from $139.99
      New Colors

      Midweight

      Isolation Men's 1/4 Zip

      100% Merino Wool

      from $99.99

      Lightweight

      Ticonderoga Men's Crew

      100% Merino Wool

      from $74.99
      New Colors
      Minus33 Merino Wool Clothing Woolverino Men's Micro Weight T-Shirt. The Woolverino Men's Micro T-Shirt is great as a base or solo layer, whether you're hitting the gym or setting foot on the trails. Raglan sleeves and side panels create a garment that moves with you.
      Minus33 Merino Wool Clothing Woolverino Men's Micro Weight T-Shirt

      Micro Weight

      Men's Wool Raglan T-Shirt

      Woolverino

      $69.99
      Minus33 Merino Wool Clothing Saratoga Men's Lightweight Wool Bottom
      Lightweight - Saratoga Men's Bottom 100% Merino Wool - Minus33 Merino Wool Clothing

      Lightweight

      Saratoga Men's Bottom

      100% Merino Wool

      from $74.99
      New Colors
      Woolverino Men's Wool Boxer Briefs - Micro Weight. With our new Micro Weight Woolverino fabric, your favorite boxers just got an upgrade. Improved fit, enhanced durability, and the same Merino Wool feel you've grown to love. The wolverine is out of the bag. Run for a pair while you can.
      Woolverino Men's Wool Boxer Briefs - Micro Weight

      Micro Weight

      Men's Wool Boxer Briefs

      Woolverino

      $44.99
      New Colors
      Woolverino Women's Wool 1/4 Zip Sun Hoodie - Micro Weight
      Woolverino Women's Wool 1/4 Zip Sun Hoodie - Micro Weight

      Micro Weight

      Men's Wool 1/4 Zip Sun Hoodie

      Woolverino

      $109.99
      Minus33 Merino Wool Clothing Kodiak Expedition Wool Full Zip hoody. Kodiak Hoodie is crafted with thumbholes and a drawstring to bundle you up for wicked cold days.
      Kodiak Fleece Men's Brushed Wool Hoodie - Expedition Weight

      Expedition

      Men's Brushed Wool Hoodie

      Kodiak Fleece

      $219.99
      New Colors
      Minus33 Merino Wool Clothing Woolverino Men's Micro Weight Wool Boxer Shorts. The open style of the standard boxer combined with the moisture-wicking power of Merino Wool will help you stay cool and calm while you harness energy for your next adventure.
      Minus33 Merino Wool Clothing Woolverino Men's Micro Weight Wool Boxer Shorts

      Micro Weight

      Men's Wool Boxer Shorts

      Woolverino

      $44.99
      New Colors
      Minus33 Merino Wool Clothing Woolverino Men's Micro Weight Wool Brief. Everyone has an underwear preference. Especially based on the activity you're doing. Sometimes you just don't need the extra fabric when you're on the move. Complete your collection with our Woolverino Micro Brief for when you want to keep it simple.
      Minus33 Merino Wool Clothing Woolverino Men's Micro Weight Wool Brief

      Micro Weight

      Men's Wool Briefs

      Woolverino

      $34.99
      New Colors
      Minus33 Merino Wool Clothing. Reach for our Wilderness Vest. Its yoked shoulder seams allow for comfortable pack-wearing, and semi-auto locking zipper keeps everything in place while you're tearing up the trails.
      Minus33 Merino Wool Clothing Sew-On Patches

      Expedition

      Men's Wool Vest

      Wilderness

      $109.99
      Minus33 Merino Wool Clothing Kobuk Expedition Wool 1/4 Zip. This ¼ zip features thumb holes, a mock neck, and a zipper for venting. You’ll love the warmth and comfort it provides while you are battling the elements! Pair this with our Katmai Men's Expedition Wool Bottom and we guarantee you’ll stay toasty warm all day long.
      Minus33 Merino Wool Clothing Kobuk Expedition Wool 1/4 Zip

      Expedition

      Kobuk 1/4 Zip

      100% Merino Wool

      $159.99
      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.
      100% Merino Wool Kinsman Turtleneck - Midweight

      Midweight

      Kinsman Turtleneck

      100% Merino Wool

      $99.99
      Minus33 Merino Wool Clothing Woolverino Men's Micro Wool 1/4 Zip. This top provides unparalleled functionality for any activity. Use it to fend off black flies with the mock neck or as a base layer on your next hike.
      Minus33 Merino Wool Clothing Woolverino Men's Micro Wool 1/4 Zip

      Micro Weight

      Men's Wool 1/4 Zip

      Woolverino

      $79.99
      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.
      100% Merino Wool Rogers Mock Neck - Midweight

      Midweight

      Rogers Mock Neck

      100% Merino Wool

      $89.99
      New Colors
      Minus33 Merino Wool Clothing Wilderness Expedition Men's Wool Full Zip. Our Wilderness Full Zip is so versatile, you'll find yourself reaching for it no matter where you're headed.
      Minus33 Merino Wool Clothing Wilderness Expedition Men's Wool Full Zip

      Expedition

      Men's Wool Full Zip

      Wilderness

      $164.99
      New Colors
      Minus33 Merino Wool Clothing Chugach Men's Expedition Zip-Off 3/4 Bottoms
      Minus33 Merino Wool Clothing Chugach Men's Expedition Zip-Off 3/4 Bottoms

      Midweight

      Men's Flyless Running Tight

      Woolverino

      from $69.99
      Updated
      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

      Tecumseh Men's 3/4 Bottom

      Woolverino

      $74.99
      New Style
      Midweight - Men's Long Sleeve Button Up 100% Merino Wool. Our best-selling Midweight fabric now as a long-sleeve henley! With buttons to help ventilate after a long hike or from working up a sweat, this henley makes a great addition to your layering system. With performance and style, you'll be reaching for this top on a daily basis come wintertime.  
      Midweight - Men's Long Sleeve Button Up 100% Merino Wool

      Midweight

      Men's Long Sleeve Henley

      100% Merino Wool

      $99.99
      Minus33 Merino Wool Adult Face Mask - Lightweight
      Minus33 Merino Wool Adult Face Mask - Lightweight

      Micro Weight

      Adult Face Mask

      Woolverino

      $14.99
      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.
      Minus33 Merino Wool Clothing Woolverino Men's Micro Wool Sleeveless

      Micro Weight

      Men's Wool Sleeveless Tank Top

      Woolverino

      $64.99

      Micro Weight

      Men's Polo

      Woolverino

      $74.99
      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

      Sentinel Men's S/S Crew

      100% Merino Wool

      $75.99 $64.99 Save $11.00
      New Colors
      Minus33 Merino Wool Clothing Wilderness Expedition Men's Wool 1/4 Zip. The zipper garage keeps the chill off your skin, and it's as easy as unzipping to vent out when you work up a sweat.
      Minus33 Merino Wool Clothing Wilderness Expedition Men's Wool 1/4 Zip

      Expedition

      Men's Wool 1/4 Zip

      Wilderness

      $159.99
      New Colors
      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

      Men's Wool Long Sleeve Crew

      Woolverino

      $84.99 $79.99 Save $5.00
      Minus33 Merino Wool Clothing Trailblazer Midweight Wool Full Zip hoody. Our Trailblazer is here to keep you company on your journey through the unknown. It features a new side panel design certain to make you stand out as a trailblazer both in action and in appearance. Let this Trailblazer become your go-to when you need a quick extra layer to keep you going.
      100% Merino Wool Trailblazer Full Zip Hoodie - Midweight

      Midweight

      Full Zip Hoodie

      Woolverino

      $159.99
      New Style
      Expedition - Men's Mock Neck 100% Merino Wool. This Expedition Mock Neck is the perfect base layer when temperatures drop. The 100% Australian Merino Wool is soft next to the skin.
      Expedition - Men's Mock Neck 100% Merino Wool

      Expedition

      Men's Mock Neck

      100% Merino Wool

      $149.99
      New Style
      Woolverino Men's Wool V-Neck T-Shirt - Micro Weight. The Woolverino Men’s Micro V-Neck T-Shirt is great as a base or solo layer, whether you’re layering up for work, or setting out on the trails afterward. Raglan sleeves and side panels create a garment that moves with you. Our Micro weight fabric gives you a soft, feather-like feel so you aren’t weighed down on the move. Light and breathable, this will become your favorite t-shirt for year-round wear.
      Woolverino Men's Wool V-Neck T-Shirt - Micro Weight

      Micro Weight

      Men's Wool V-Neck T-Shirt

      Woolverino

      $69.99
      mens expedition weight zip off 3/4th pants Simply drop your shell pants, unzip the sides, and shed (or add) this layer when the time is right. Taking off your boots is now a thing of the past. This 3/4 length bottom gives you room in your boots without the bulk, yet still keeps you toasty warm with the power of our Expedition weight merino wool. Color-coordinated hook and loop closures make putting it back on quick and easy.
      100% merino wool mens zip off base layer bottoms

      Expedition

      Chugach Zip-Off 3/4 Bottoms

      100% Merino Wool

      $159.99
      Minus33 Merino Wool Clothing Midweight Wool Union Suit. The Union Suit is a historical undergarment that has been around since 1868. The Union Suit was first created in Utica, NY. Our Union Suit features a drawstring waist, plastic buttons on the top half, and flat snaps on the bottom half.
      Minus33 Merino Wool Clothing Midweight Wool Union Suit

      Midweight

      Union Suit

      100% Merino Wool

      $169.99
      Minus33 Merino Wool Clothing Nikwax Wool Wash, 10 oz
      M33 - Nikwax Wool Wash Wool Care - Minus33 Merino Wool Clothing

      Minus33 Gear

      Nikwax Wool Wash

      Wool Care

      from $14.99
      New Style
      Sportsman Guide Shirt White Mountain Woolen
      Sportsman Guide Shirt White Mountain Woolen

      Expedition

      Sportsman Guide Shirt

      White Mountain Woolen

      $199.99
      New Style
      Midweight - Men's Long Sleeve Button Up 100% Merino Wool. When you need a more formal shirt than your crew tops, with all the benefits of merino wool. Whether it's date night, a business casual meeting, or hanging out at home, this midweight top can handle it all. The knit construction allows for 4 way stretch performance in any circumstance. 
      Midweight - Men's Long Sleeve Button Up 100% Merino Wool

      Midweight

      Men's Long Sleeve Button Up

      100% Merino Wool

      $119.99
      New Style
      Midweight - Men's Long Sleeve V-Neck 100% Merino Wool.  This timeless classic is now available in merino wool. Wear it alone, or layer it under everything - from your fleece pullover on a hike, or a button-up at the office. You'll be warm, cozy, and dry all day with pieces in your wardrobe. The V-cut gives you just enough coverage without exposing your underlayer.  
      Midweight - Men's Long Sleeve V-Neck 100% Merino Wool

      Midweight

      Men's Long Sleeve V-Neck

      100% Merino Wool

      $99.99
      Sale
      Minus33 Merino Wool Clothing Ticonderoga Men's Lightweight Wool Crew
      Minus33 Merino Wool Clothing Ticonderoga Men's Lightweight Wool Crew

      Lightweight

      Ticonderoga Men's Crew

      100% Merino Wool

      $74.99 $69.99 Save $5.00
      New Colors

      Micro Weight

      Men's Pouch Boxer Briefs

      Woolverino

      $44.99
      Sale
      Minus33 Merino Wool Clothing Kearsarge Lightweight Wool Polo
      Minus33 Merino Wool Clothing Kearsarge Lightweight Wool Polo

      Lightweight

      Kearsarge Polo

      100% Merino Wool

      $74.99 $59.99 Save $15.00
      Sold Out
      Minus33 Merino Wool Clothing Kancamagus Men's Midweight Wool Bottom
      Minus33 Merino Wool Clothing Kancamagus Men's Midweight Wool Bottom

      Midweight

      Kancamagus Men's Bottom

      100% Merino Wool

      $79.99 $69.99 Save $10.00
      Sale
      Minus33 Merino Wool Clothing Algonquin Men's Lightweight Wool S/S Crew

      Lightweight

      Algonquin Men's T-Shirt Crew

      Clearance

      $65.99 $59.99 Save $6.00
      Wool Care 100% Wool Dryer Ball - M33
      M33 - 100% Wool Dryer Ball Wool Care - Minus33 Merino Wool Clothing

      Minus33 Gear

      100% Wool Dryer Ball

      Wool Care

      $19.99
      Sale
      Minus33 Merino Wool Clothing Isolation Men's Midweight Wool 1/4 Zip
      Midweight - Isolation Men's 1/4 Zip Clearance - Minus33 Merino Wool Clothing

      Midweight

      Isolation Men's 1/4 Zip

      Clearance

      $119.99 $89.99 Save $30.00
      Minus33 Merino Wool Logo Hats - M33
      M33 - Logo Hats - Minus33 Merino Wool Clothing

      Minus33 Gear

      Logo Hats

      from $19.99
      New Product

      Expedition

      Guide Glove

      WOOLTEK

      $169.99
      New

      Expedition

      Three Finger Guide Mitten

      WOOLTEK

      $169.99
      New Product

      Expedition

      Guide Mitt

      WOOLTEK

      $169.99
      Our Men's Merino Wool Clothing has just what you need to keep you warm, comfortable, and outdoors longer. With a fabric weightline for every adventure, you can wear our Micro and Lightweight wool t-shirts and long sleeve crews throughout the spring and summer, then layer up with our Midweight and Expedition thermal underwear come fall. Merino wool is moisture-wicking, antimicrobial, renewable, and so much more. Minus33 stands by all of our products with a 30-day Guarantee and our 1-Year Warranty. Make the switch to merino wool!