Men's Base Layer

The layer that decides whether you shred or shiver lies closest to the skin, and Merino Wool is scientifically proven to buffer moisture 96% better than polyester. Explore our collection of men’s Merino Wool base layers for every fit and mission.

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  • UPDATED STYLE
    Temple Merino Long Sleeve Hood - Rock Camo / Black | Men's Long Sleeve Top Temple Merino Long Sleeve Hood - Rock Camo / Black | Men's Long Sleeve Top
    Temple Merino Long Sleeve Hood $169.95
  • UPDATED STYLE
    Temple Merino Long Sleeve - Black | Men's Long Sleeve Top Temple Merino Long Sleeve - Black | Men's Long Sleeve Top
    Temple Merino Long Sleeve $139.95
  • UPDATED STYLE
    Temple Merino Long Sleeve - Rock Camo / Black | Men's Long Sleeve Top Temple Merino Long Sleeve - Rock Camo / Black | Men's Long Sleeve Top
    Temple Merino Long Sleeve $144.95
  • UPDATED STYLE
    Temple Merino Long Sleeve Hood - Black | Men's Long Sleeve Top Temple Merino Long Sleeve Hood - Black | Men's Long Sleeve Top
    Temple Merino Long Sleeve Hood $159.95
  • Sale Yotei Merino Powder Hood Long Sleeve - Goblin Blue / Toffee / Black | Men's Long Sleeve Top Yotei Merino Powder Hood Long Sleeve - Goblin Blue / Toffee / Black | Men's Long Sleeve Top
    Yotei Merino Powder Hood Long Sleeve $189.95 $132.97
  • Ascender Merino Base Layer Long Sleeve - Forged Iron / Black | Men's Long Sleeve Top Ascender Merino Base Layer Long Sleeve - Forged Iron / Black | Men's Long Sleeve Top
    Ascender Merino Base Layer Long Sleeve $199.95
  • Ascender Merino Base Layer Hooded Long Sleeve - Dried Sage / Black | Men's Long Sleeve Top Ascender Merino Base Layer Hooded Long Sleeve - Dried Sage / Black | Men's Long Sleeve Top
    Ascender Merino Base Layer Hooded Long Sleeve $259.95
  • Sale Cascade Merino Base Layer Long Sleeve - Mtn Pixel Grey | Men's Long Sleeve Top Cascade Merino Base Layer Long Sleeve - Mtn Pixel Grey | Men's Long Sleeve Top
    Cascade Merino Base Layer Long Sleeve $159.95 $111.97
  • Sale Yotei Merino Long Sleeve - Goblin Blue / Toffee / Black | Men's Long Sleeve Top Yotei Merino Long Sleeve - Goblin Blue / Toffee / Black | Men's Long Sleeve Top
    Yotei Merino Long Sleeve $169.95 $118.97
  • Sale Cascade Merino Base Layer Long Sleeve - Signal Lost Goblin Blue | Men's Long Sleeve Top Cascade Merino Base Layer Long Sleeve - Signal Lost Goblin Blue | Men's Long Sleeve Top
    Cascade Merino Base Layer Long Sleeve $159.95 $111.97
  • Ascender Merino Base Layer 3/4 Legging - Forged Iron / Black | Men's Leggings Ascender Merino Base Layer 3/4 Legging - Forged Iron / Black | Men's Leggings
    Ascender Merino Base Layer 3/4 Legging $189.95
  • Sale Temple Merino Long Sleeve Hood - Black / Toffee | Men's Long Sleeve Top Temple Merino Long Sleeve Hood - Black / Toffee | Men's Long Sleeve Top
    Temple Merino Long Sleeve Hood $159.95 $95.97
  • Sale Ascender Merino Base Layer 3/4 Legging - Dried Sage / Black | Men's Leggings Ascender Merino Base Layer 3/4 Legging - Dried Sage / Black | Men's Leggings
    Ascender Merino Base Layer 3/4 Legging $189.95 $132.97
  • Sale Temple Merino Long Sleeve - Grey Heather / Goblin Blue | Men's Long Sleeve Top Temple Merino Long Sleeve - Grey Heather / Goblin Blue | Men's Long Sleeve Top
    Temple Merino Long Sleeve $139.95 $83.97
  • Yotei Merino Classic Long Sleeve - Black | Men's Long Sleeve Top Yotei Merino Classic Long Sleeve - Black | Men's Long Sleeve Top
    Yotei Merino Classic Long Sleeve $169.95
  • Sale Temple Merino T-Shirt - Goblin Blue Temple Merino T-Shirt - Goblin Blue
    Temple Merino T-Shirt $119.95 $71.97
  • Sale Cascade Merino Base Layer Long Sleeve - Dark Olive | Men's Long Sleeve Top Cascade Merino Base Layer Long Sleeve - Dark Olive | Men's Long Sleeve Top
    Cascade Merino Base Layer Long Sleeve $149.95 $104.97
  • Sale Cascade Merino Base Layer 3/4 Legging - Mtn Pixel Grey | Men's Leggings Cascade Merino Base Layer 3/4 Legging - Mtn Pixel Grey | Men's Leggings
    Cascade Merino Base Layer 3/4 Legging $149.95 $104.97
  • Sale Yotei Merino Classic Long Sleeve - Sienna | Men's Long Sleeve Top Yotei Merino Classic Long Sleeve - Sienna | Men's Long Sleeve Top
    Yotei Merino Classic Long Sleeve $169.95 $118.97

  • NEW ARRIVALS

    SHOP OUTDOOR
  • Cascade Merino Base Layer 1/4 Zip Long Sleeve - Black | Men's Long Sleeve Top Cascade Merino Base Layer 1/4 Zip Long Sleeve - Black | Men's Long Sleeve Top
    Cascade Merino Base Layer 1/4 Zip Long Sleeve $169.95
  • Sale Temple Merino Long Sleeve - Black / Toffee | Men's Long Sleeve Top Temple Merino Long Sleeve - Black / Toffee | Men's Long Sleeve Top
    Temple Merino Long Sleeve $139.95 $83.97
  • Sale Cascade Merino Base Layer 3/4 Legging - Signal Lost Goblin Blue | Men's Leggings Cascade Merino Base Layer 3/4 Legging - Signal Lost Goblin Blue | Men's Leggings
    Cascade Merino Base Layer 3/4 Legging $149.95 $104.97
  • Cascade Merino Base Layer Long Sleeve - Black | Men's Long Sleeve Top Cascade Merino Base Layer Long Sleeve - Black | Men's Long Sleeve Top
    Cascade Merino Base Layer Long Sleeve $149.95
  • Sale Cascade Merino Base Layer Legging - Mtn Pixel Grey | Men's Leggings Cascade Merino Base Layer Legging - Mtn Pixel Grey | Men's Leggings
    Cascade Merino Base Layer Legging $159.95 $111.97
  • Sale Cascade Merino Base Layer 1/4 Zip Long Sleeve - Dark Olive | Men's Long Sleeve Top Cascade Merino Base Layer 1/4 Zip Long Sleeve - Dark Olive | Men's Long Sleeve Top
    Cascade Merino Base Layer 1/4 Zip Long Sleeve $169.95 $118.97
  • Ascender Merino Base Layer Long Sleeve - Dried Sage / Black | Men's Long Sleeve Top Ascender Merino Base Layer Long Sleeve - Dried Sage / Black | Men's Long Sleeve Top
    Ascender Merino Base Layer Long Sleeve $199.95
  • Cascade Merino Base Layer 3/4 Legging - Black | Men's Leggings Cascade Merino Base Layer 3/4 Legging - Black | Men's Leggings
    Cascade Merino Base Layer 3/4 Legging $139.95
  • Sale Yotei Merino Powder Hood Long Sleeve - Willow / Black | Men's Long Sleeve Top Yotei Merino Powder Hood Long Sleeve - Willow / Black | Men's Long Sleeve Top
    Yotei Merino Powder Hood Long Sleeve $189.95 $132.97
  • Sale Cascade Merino Base Layer Legging - Dark Olive | Men's Leggings Cascade Merino Base Layer Legging - Dark Olive | Men's Leggings
    Cascade Merino Base Layer Legging $149.95 $104.97
  • Sale Temple Merino Long Sleeve - Black | Men's Long Sleeve Top Temple Merino Long Sleeve - Black | Men's Long Sleeve Top
    Temple Merino Long Sleeve $139.95 $83.97
  • Olympus Merino Base Layer 1/2 Zip Long Sleeve - Black / 9 Iron | Men's Long Sleeve Top Olympus Merino Base Layer 1/2 Zip Long Sleeve - Black / 9 Iron | Men's Long Sleeve Top
    Olympus Merino Base Layer 1/2 Zip Long Sleeve $199.95
  • Sale Yotei Merino Long Sleeve - Sienna / Black | Men's Long Sleeve Top Yotei Merino Long Sleeve - Sienna / Black | Men's Long Sleeve Top
    Yotei Merino Long Sleeve $169.95 $118.97
  • Cascade Merino Base Layer Legging - Black | Men's Leggings Cascade Merino Base Layer Legging - Black | Men's Leggings
    Cascade Merino Base Layer Legging $149.95
  • Olympus Merino Base Layer Long Sleeve - Black / 9 Iron | Men's Long Sleeve Top Olympus Merino Base Layer Long Sleeve - Black / 9 Iron | Men's Long Sleeve Top
    Olympus Merino Base Layer Long Sleeve $189.95
  • Olympus Merino Base Layer Legging - Black / 9 Iron | Men's Leggings Olympus Merino Base Layer Legging - Black / 9 Iron | Men's Leggings
    Olympus Merino Base Layer Legging $169.95
  • Sale Temple Merino Long Sleeve Hood - Black | Men's Long Sleeve Top Temple Merino Long Sleeve Hood - Black | Men's Long Sleeve Top
    Temple Merino Long Sleeve Hood $159.95 $95.97
  • Sale Cascade Merino Base Layer 3/4 Legging - Dark Olive | Men's Leggings Cascade Merino Base Layer 3/4 Legging - Dark Olive | Men's Leggings
    Cascade Merino Base Layer 3/4 Legging $139.59 $97.71
  • Sale Yotei Merino Long Sleeve - Violet / Cedar / Black Yotei Merino Long Sleeve - Violet / Cedar / Black
    Yotei Merino Long Sleeve $169.95 $101.97
  • Sale Olympus Merino Base Layer 1/2 Zip Long Sleeve - Dew / 9 Iron / Black Olympus Merino Base Layer 1/2 Zip Long Sleeve - Dew / 9 Iron / Black
    Olympus Merino Base Layer 1/2 Zip Long Sleeve $199.95 $119.97
  • Sale Cascade Merino Base Layer Long Sleeve - Black Cascade Merino Base Layer Long Sleeve - Black
    Cascade Merino Base Layer Long Sleeve $149.95 $89.97
  • Sale Cascade Merino Base Layer 1/4 Zip Long Sleeve - Black Cascade Merino Base Layer 1/4 Zip Long Sleeve - Black
    Cascade Merino Base Layer 1/4 Zip Long Sleeve $169.95 $101.97
  • Sale Yotei Merino Classic Long Sleeve - Black Yotei Merino Classic Long Sleeve - Black
    Yotei Merino Classic Long Sleeve $169.95 $101.97
  • Sale Cascade Merino Base Layer Long Sleeve - Dark Olive Cascade Merino Base Layer Long Sleeve - Dark Olive
    Cascade Merino Base Layer Long Sleeve $149.95 $89.97
  • Sale Cascade Merino Base Layer 1/4 Zip Long Sleeve - Dark Olive Cascade Merino Base Layer 1/4 Zip Long Sleeve - Dark Olive
    Cascade Merino Base Layer 1/4 Zip Long Sleeve $169.95 $101.97
  • Sale Cascade Merino Base Layer Long Sleeve - Grey Tie Dye Cascade Merino Base Layer Long Sleeve - Grey Tie Dye
    Cascade Merino Base Layer Long Sleeve $159.95 $95.97
  • Sale Cascade Merino Base Layer 3/4 Legging - Grey Tie Dye Cascade Merino Base Layer 3/4 Legging - Grey Tie Dye
    Cascade Merino Base Layer 3/4 Legging $149.95 $89.97
  • Sale Yotei Merino Classic Long Sleeve - Violet Yotei Merino Classic Long Sleeve - Violet
    Yotei Merino Classic Long Sleeve $169.95 $101.97
  • Sale Cascade Merino Base Layer Legging - Signal Lost Cedar Cascade Merino Base Layer Legging - Signal Lost Cedar
    Cascade Merino Base Layer Legging $159.95 $95.97
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