Extra -10% already discounted styles. Women I Men

Thermal underwear

Insulating base layers for days when warmth is a must.

Shop by warmth

11 products

Warm

The Performance Warm Base Layer Top

$90.00

Warm

The Seamless Performance Wool crewneck base layer top

$140.00

Warm

The Natural Merino 200 Base Layer Top

$105.00

X-Warm

The Natural Merino 260 Base Layer Half-Zip

$135.00

X-Warm

The Natural Merino 260 Base Layer Top

$125.00

Warm

The Active Warm base layer set

$120.00

Warm

The Seamless Performance Wool full-length base layer bottoms

$140.00

Warm

The Natural Merino 200 Base Layer Bottoms

$105.00

Warm

The Natural Merino 200 Base Layer 3/4 Bottoms

$90.00

Warm

The Seamless Performance Wool 3/4 base layer bottoms

$120.00

X-Warm

The Natural Merino 260 Base Layer Bottoms

$125.00

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Engineered in Switzerland

Knitted in Norway