Men - Base Layers

Men’s base layer tops, bottoms, sets, and underwear for sports and outdoor activities, including merino wool and performance styles.
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  • The Natural Merino 160 Base Layer Singlet
    Sale

    The Natural Merino 160 Base Layer Singlet

    The Natural Merino 160 Base Layer Singlet
    $27.48 $54.95
  • The Natural Merino 160 Base Layer Top
    Sale

    The Natural Merino 160 Base Layer Top

    The Natural Merino 160 Base Layer Top
    $29.98 $59.95
  • The Seamless Performance Wool crewneck base layer top

    The Seamless Performance Wool crewneck base layer top

    The Seamless Performance Wool crewneck base layer top
    $129.95
  • The Natural Merino 200 Base Layer Half-Zip

    The Natural Merino 200 Base Layer Half-Zip

    The Natural Merino 200 Base Layer Half-Zip
    $99.95
  • The Performance Wool 150 Base Layer Top
    Sale

    The Performance Wool 150 Base Layer Top

    The Performance Wool 150 Base Layer Top
    $55.95
  • The Natural Merino 200 Base Layer T-shirt
    Sale

    The Natural Merino 200 Base Layer T-shirt

    The Natural Merino 200 Base Layer T-shirt
    $59.98 $119.95
  • The Performance X-Light Boxer
    Sale

    The Performance X-Light Boxer

    The Performance X-Light Boxer
    $17.48 $34.95
  • The Performance Light rain-dye men's boxers
    Sale

    The Performance Light rain-dye men's boxers

    The Performance Light rain-dye men's boxers
    $19.98 $39.95
  • The Active F-Dry Light Boxer 2 Pack
    Sale

    The Active F-Dry Light Boxer 2 Pack

    The Active F-Dry Light Boxer 2 Pack
    $29.98 $59.95
  • The Active Everyday Base Layer Singlet - 2 Pack
    Sale

    The Active Everyday Base Layer Singlet - 2 Pack

    The Active Everyday Base Layer Singlet - 2 Pack
    $34.98 $69.95
  • The Performance X-Light Base Layer Singlet
    Sale

    The Performance X-Light Base Layer Singlet

    The Performance X-Light Base Layer Singlet
    $19.98 $39.95
  • The Kinship Performance Wool Warm Base Layer Bottoms
    Sale

    The Kinship Performance Wool Warm Base Layer Bottoms

    The Kinship Performance Wool Warm Base Layer Bottoms
    $54.98 $109.95