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Mountain Warehouse Mens Merino Wool Full Zip Base Layer Top

80% Merino Wool 20% Polyester Fabric: Merino Wool Design: Plain Cuff: Fitted Neckline: High-Neck Sleeve-Type: Long-Sleeved Fabric Technology: Anti-Bacterial Ventilated. more

Merino Half-zip Base Layer

Men's Helly Hansen Merino Half-zip Base Layer - Black - Sweatshirts Our Men's Merino Half-Zip Base Layer is a high-performance base layer designed for winter activities such as backcountry skiing, hiking, and mountaineering. Its high protective collar... more

Lifa Merino Midweight 1/2 Zip Base Layer Blue

Men's Helly Hansen Lifa Merino Midweight 1/2 Zip Base Layer Blue - Sweatshirts Our Lifa® Merino Midweight collection is perfect for any type of cold weather activity. We combined a 100% merino wool layer with our proven Lifa® fiber technology in a... more

Carhartt Shirts | Carhartt Force Mid Weight Long Sleeve Crew Neck, Men’s Large | Color: Tan | Size: L

Nwot, Carhartt Force Long Sleeve, Front Zipper Pocket, Color Is ‘ Dark Burnt Olive Heather ‘ Carhartt Men's Force Midweight Synthetic-Wool Blend Base Layer Crewneck Top With Zippered Chest Pocket Provides A Comfotable Layer Of Added Warmth Under Shirts... more

Outdoor Pursuit Merino Wool Base Layer 1/4 Zip Thermal Shirt for Men (Magnet X-Large)

The Outdoor Pursuit Merino Base Series is the ultimate base layer for any outdoor activity. Having a base layer that doesn’t quit until you do is a vital part in any outdoor activity. The Outdoor Pursuit Merino base series provides the perfect blend... more

Outdoor Pursuit Merino Wool Base Layer 1/4 Zip Thermal Shirt for Men (Magnet Small)

The Outdoor Pursuit Merino Base Series is the ultimate base layer for any outdoor activity. Having a base layer that doesn’t quit until you do is a vital part in any outdoor activity. The Outdoor Pursuit Merino base series provides the perfect blend... more

Outdoor Pursuit Merino Wool Base Layer Thermal Pants for Men (Magnet XX-Large)

The Outdoor Pursuit Merino Base Series is the ultimate base layer for any outdoor activity. Having a base layer that doesn’t quit until you do is a vital part in any outdoor activity. The Outdoor Pursuit Merino base series provides the perfect blend... more

Outdoor Pursuit Merino Wool Base Layer 1/4 Zip Thermal Shirt for Men (Magnet XX-Large)

The Outdoor Pursuit Merino Base Series is the ultimate base layer for any outdoor activity. Having a base layer that doesn’t quit until you do is a vital part in any outdoor activity. The Outdoor Pursuit Merino base series provides the perfect blend... more

Icebreaker 300 MerinoFine Polar Long Sleeve Half Zip Thermal Top - Men s Black

Cozy merino wool warms this cozy thermo-regulating top designed to serve as a body-hugging heavyweight base layer perfect for cold-weather runs. more

Icebreaker 300 MerinoFine Polar Long Sleeve Half Zip Thermal Top - Men s Black

Cozy merino wool warms this cozy thermo-regulating top designed to serve as a body-hugging heavyweight base layer perfect for cold-weather runs. more

Icebreaker 175 Everyday Long Sleeve Half Zip Thermal Top - Men s Earth Medium

A classic all-purpose base layer T-shirt made with soft and breathable 100% merino wool fabric the 175 Everyday Long Sleeve Half Zip is as versatile as it is comfortable. more

Icebreaker 175 Everyday Long Sleeve Half Zip Thermal Top - Men s Loden Large

A classic all-purpose base layer T-shirt made with soft and breathable 100% merino wool fabric the 175 Everyday Long Sleeve Half Zip is as versatile as it is comfortable. more

Icebreaker 175 Everyday Long Sleeve Half Zip Thermal Top - Men s Earth Small

A classic all-purpose base layer T-shirt made with soft and breathable 100% merino wool fabric the 175 Everyday Long Sleeve Half Zip is as versatile as it is comfortable. more

Badlands Pecora MW 1/4 Zip - Men s Approach Large

Uber-versatile as a base mid or outer layer the Pecora Midweight Merino Top blends technology flexibility and durability into one amazing 1/4-zip. more