From early-morning chairlift rides to demanding backcountry climbs, Smartwool's Intraknit Thermal Merino Base Layer Crew for women delivers the performance you need to stay comfortable in the cold. Its Merino wool and polyester blend combines natural odor resistance and moisture management with quick-drying durability, while innovative Intraknit technology uses 3D-knit construction to place insulation, ventilation, and stretch where they matter most. A streamlined, body-hugging fit moves with you and slips easily beneath your favorite midlayer or ski jacket. Whether you're skiing, snowboarding, ski touring, or hiking through winter terrain, Smartwool's Intraknit Thermal Merino Base Layer Crew for women helps you stay warm and comfortable as the pace picks up.
Merino wool and polyester blend for moisture management and quick-drying performance
Integrated mesh ventilation to help regulate body temperature during high-output activities
Body-mapped construction for a contoured fit and unrestricted movement
Slim fit for comfortable, low-bulk layering under winter outerwear
Winter 2026/27 product
Smartwool Intraknit Thermal Merino Base Layer Crew - Women's