Women’s Thermal Underwear & Base Layers

Women’s Thermal Underwear & Merino Base Layers

This collection focuses on women’s thermal underwear and base layers for cold weather, hiking, travel, sport and everyday wear. The current range includes merino wool tops and thermal pants, technical synthetic base layers, leggings and a bamboo-viscose thermal set from Thermowave, Viking, Fjord Nansen and Alpinus.

Choose women’s thermal underwear by use

• Merino base layers: useful for cooler weather and longer wear when warmth and comfort matter.
• Technical synthetic layers: lighter options for active movement and faster drying.
• Thermal pants and leggings: designed as a first layer under hiking, softshell or winter clothing.
• Complete thermal sets: practical for users who want a coordinated top-and-bottom base layer.

For the full category, browse all thermal underwear. Men can use the dedicated men’s thermal underwear and merino base layers collection.

If you are comparing merino, synthetic and blended materials, read our guide to choosing thermal underwear.