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DUE TO CURRENT INTERNATIONAL CIRCUMSTANCES, SHIPMENTS AND ORDERS TO RUSSIA AND BELARUS ARE TEMPORARILY SUSPENDED

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Explore the Base Layers Collections

 

Classic Thermal Merino

Midweight | 250 g/m

  • 100% Merino wool fabric
  • Cool to cold weather activities
  • Versatile use for colder seasons
  • Slim Fit & Plus Size

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Intraknit™ Thermal Merino

Midweight | 200 g/m

  • 52% Merino wool fabric
  • Designed for warmth and performance
  • Slim Fit

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Classic All-Season Merino

Lightweight | 150 g/m

  • 88% Merino wool fabric
  • Warm to cool weather activities
  • Worn alone on warm days
  • Layering foundation on cold days
  • Slim Fit

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Intraknit™ Active

Midweight

  • 50% Merino + 20% TENCEL™ fabric
  • Year-round high-aerobic activities
  • Features natural cooling properties
  • Slim Fit

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Made to help you stay comfortable, confident,

and outside longer doing what you love.

Gear up to go farther.

 

No matter how you get outside, it’s easy to find your best Merino wool base layer for you with Smartwool.
Whether you need a lightweight Merino wool base layer for year-round adventures or our warmest Smartwool® base layer for every winter outing, we have the comfort you need to go farther. Shop women’s Smartwool® base layers, men’s Smartwool® base layers, and the entire Smartwool® Intraknit™ base layer collection today and explore forever.