Merino Wool Base Layers

Filson base layers are made from ultra-fine 19-micron merino wool fibers for soft next-to-skin comfort. Merino wool’s natural moisture-wicking ability makes it comfortable even when wet. It helps to regulate body temperature, keeping you cool in the heat and warm in the cold. 

  1. 210G Merino Wool Short Sleeve Crewneck
  2. Lightweight Traditional Crew Socks
  3. 280G Merino Wool Crewneck
  4. 1970's Logger Thermal Socks
  5. Heavyweight Traditional Crew Socks
  6. X Country Outdoorsman Socks
  7. 280G Merino Wool Bottoms
  8. Reliable Boot Socks
  9. 400G Merino Wool Half-Zip
  10. 400G Merino Wool Bottoms
  11. 1970's Logger Thermal Sock
  12. 400G Merino Wool Balaclava
  13. 280G Merino Wool Balaclava

Nature's Finest Fabric

close up of a man drying merino wool socks beside a fireclose up of a man drying merino wool socks beside a fire
man with a ridiculous mustache sits in a tent wearing red filson merino wool base layers and gray socksman with a ridiculous mustache sits in a tent wearing red filson merino wool base layers and gray socks
sailor wearing a tan merino hooded base layer pulls on a wet linesailor wearing a tan merino hooded base layer pulls on a wet line
worker wearing a tan long sleeve merino crewneck works a plastic drumworker wearing a tan long sleeve merino crewneck works a plastic drum
Bearded man washes dishes at a camp site while wearing Filson wool bibs and a tan merino wool shirtBearded man washes dishes at a camp site while wearing Filson wool bibs and a tan merino wool shirt

Base Layers Made With Merino

What Makes Merino Wool Great for Base Layers

Sustainable wool in many ways outperforms oil-derived synthetic fabrics. It’s unique fiber naturally structure wicks moisture away from the skin for evaporation, keeping you comfortable even during strenuous exercise. Wool resists the residual odors that can plague synthetics.

How Should a Base Layer Fit?

Base layers should fit comfortably snug and close to the body. This aids wool’s natural moisture-wicking properties.

Caring for Merino Wool

Since Filson merino wool base layers have been treated to resist shrinking, they can be gently machine-washed in cold water. They can be tumble-dried at low temperatures. Do not dry clean merino base layers. Please see individual product-care instructions. 

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