When adventure demands more, Smartwool Women's Intraknit Base Layers deliver the performance to keep you moving comfortably. Designed with innovative 3D-knit technology, these technical layers integrate targeted insulation, ventilation, and stretch to help regulate body temperature and support natural movement. Choose the lightweight All-Season styles for breathable comfort during high-output activities or the heavyweight Thermal styles for added warmth on cold days. Merino wool helps manage moisture and resist odors, while body-mapped construction and minimal seams promote a close, comfortable fit beneath your outerwear. From ski touring and resort laps to winter hiking, trail running, and demanding mountain missions, Intraknit layers are built for adventures where temperature control and mobility matter most.
Merino wool blends for moisture management, temperature regulation, and odor resistance
Versatile performance across changing conditions for year-round wear
Body-mapped design and minimal seams for a close fit and reduced chafing
Breathable, flexible construction for high-output activities
Winter 2026/27 product
Smartwool Intraknit All-Season Merino Base Layer Bottom - Women's
