Base Layer Collection | Smartwool®

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Explore the Base Layers Collections

NEW

Intraknit™ All-Season Merino

Lightweight | 150 g/m

Gender‑zoned ventilation
3D-knit fit
Targeted warmth without bulk
Low‑waste knitting process

Intraknit™ Thermal Merino

Midweight | 200 g/m

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

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

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

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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