Thermal Underwear

Duofold Originals Mid-Weight Cotton-and-Wool-Blend Women's Crew Shirt-

Stay warm in very cold weather. Wear this Duofold women's top on its own or as thermal underwear. 6.3-oz. fabric has two smooth thermal layers. Outer layer blends warm Merino wool with sleek polyester and nylon. Inner layer is pure cotton, for softness next to your skin.

Duofold Originals Mid-Weight Cotton-and-Wool-Blend Ankle-Length Women's Bottoms-

Stay warm in very cold weather. Wear these Duofold women's bottoms as base-layer thermal underwear. 6.3-oz. fabric has two sleek thermal layers. Outer layer blends warm Merino wool with smooth polyester and nylon. Inner layer is pure cotton, for softness next to your skin.

Duofold Varitherm Expedition-Weight 2-Layer Long-Sleeve Women's Crew Shirt-

When you're active outdoors in extreme cold, you've got to play it safe. So, wear this Duofold women's top as base-layer thermal underwear. Sleek expedition-weight fabric traps your body's heat between two thermal layers. (Result: maximum warmth.

Duofold ProTherm Long-Sleeve Women's Crew Shirt-

How can you stay warm and dry during any outdoor activity? Wear this Duofold women's top andmdash; on its own or as thermal underwear. Mid-weight performance fabric is 100% polypropylene andmdash; ribbed for flexible stretch and napped inside for softness.

Duofold Varitherm Mid-Weight Long-Sleeve Women's Crew Shirt-

How can you stay warm and dry during high-motion outdoor activities? Try this crewneck women's top from Duofold thermal underwear. Soft mid-weight jersey stretches four ways, for maximum ease of movement.

Duofold ProTherm Ankle-Length Women's Bottoms-

Wear these thermal-underwear bottoms to stay comfortably warm and dry during any outdoor activity, including high-motion sports. Special performance fabric is 100% polypropylene andmdash; ribbed for flexible stretch and napped inside for softness.

Duofold Varitherm Expedition-Weight 2-Layer Ankle-Length Women's Tights-

When you're active outdoors in extreme cold, you've got to play it safe. So, wear these Duofold women's tights as base-layer thermal underwear. Sleek expedition-weight fabric traps your body's heat between two thermal layers. Result: maximum warmth.