Thermal underwear

Insulating base layers for days when warmth is a must.

Shop by warmth

Warm

%%%+ 3

Active Warm Base Layer Bottoms

$65.00

Warm

Merino 200 Base Layer Top

$105.00

%%+ 2

Active Warm Base Layer Top

$65.00

Active Warm Base Layer T-Shirt

$60.00

Warm

%%%%%

Performance Warm Base Layer Top

$90.00

Warm

Active Warm Base Layer Half-Zip

$75.00

X-Warm

Merino 260 Base Layer Half-Zip

$135.00

X-Warm

Merino 260 Base Layer Top

$125.00

Active Warm 80th Anniversary Base Layer Top

$65.00

Active X-Warm Base Layer Top

$80.00

Active X-Warm Base Layer Half-Zip

$90.00

Active Warm X Frozen Lake Base Layer Top

$70.00

Seamless Performance Wool Base Layer Top

$140.00

%%%

Active Warm Special Set Base Layer Set

$120.00

Warm

Merino 200 Base Layer 3/4 Bottoms

$90.00

X-Warm

Merino 260 Base Layer Bottoms

$125.00

Active Warm 80th Anniversary Base Layer Bottoms

$65.00

Merino 200 80th Anniversary Base Layer Bottoms

$105.00

Active X-Warm Base Layer Bottoms

$80.00

Active Warm X Frozen Lake Base Layer Bottoms

$70.00

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Engineered in Switzerland

Knitted in Norway