Base Layer Collection | Smartwool®

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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

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 & Plus Size

Intraknit™ Thermal Merino

Midweight | 200 g/m

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

Intraknit™ Active

Midweight

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

Made to help you stay comfortable, confident,

and outside longer doing what you love.

Responsibly Sourced Wool

We only put our softest, ZQ-certified Merino wool next to your skin.

Wide-Ranging Collection

We offer comfort for every adventurer, season, and activity.

Knit Expertise

Our apparel technologies offer a high degree of comfort, perfect fit, and durability.

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