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 Seamless Performance Wool full-length base layer bottoms

    The Seamless Performance Wool full-length base layer bottoms

    The Seamless Performance Wool full-length base layer bottoms
    $129.95
  • The Seamless Performance Wool 3/4 base layer bottoms
    Sale

    The Seamless Performance Wool 3/4 base layer bottoms

    The Seamless Performance Wool 3/4 base layer bottoms
    $14.98 $29.95
  • The Performance Wool 150 Base Layer Bottoms
    Sale

    The Performance Wool 150 Base Layer Bottoms

    The Performance Wool 150 Base Layer Bottoms
    $39.98 $79.95
  • The Natural Merino 260 Base Layer Half-Zip

    The Natural Merino 260 Base Layer Half-Zip

    The Natural Merino 260 Base Layer Half-Zip
    $119.95
  • The Natural Merino 160 Base Layer T-shirt

    The Natural Merino 160 Base Layer T-shirt

    The Natural Merino 160 Base Layer T-shirt
    $64.95
  • The Performance Light rain-dye short-sleeve base layer
    Sale

    The Performance Light rain-dye short-sleeve base layer

    The Performance Light rain-dye short-sleeve base layer
    $27.48 $54.95
  • The Performance Wool 140 Base Layer Singlet
    Sale

    The Performance Wool 140 Base Layer Singlet

    The Performance Wool 140 Base Layer Singlet
    $27.48 $54.95
  • The Natural Merino 200 Base Layer Top
    Sale

    The Natural Merino 200 Base Layer Top

    The Natural Merino 200 Base Layer Top
    $17.48 $34.95
  • The Natural Merino 260 Base Layer Top

    The Natural Merino 260 Base Layer Top

    The Natural Merino 260 Base Layer Top
    $109.95
  • The Natural Merino 160 Boxers
    Sale

    The Natural Merino 160 Boxers

    The Natural Merino 160 Boxers
    $39.95
  • The Active Warm Originals Base Layer Bottoms
    Sale

    The Active Warm Originals Base Layer Bottoms

    The Active Warm Originals Base Layer Bottoms
    $32.48 $64.95
  • The Performance Wool 140 Base Layer T-shirt
    Sale

    The Performance Wool 140 Base Layer T-shirt

    The Performance Wool 140 Base Layer T-shirt
    $17.48 $34.95