Smartwool · Base Layers
The Intraknit Thermal Merino Base Layer Hoodie is designed for high-output cold-weather activities. It features Intraknit™ mapping that balances warmth, ventilation, and mobility. The merino wool blend manages temperature and resists odor. A 3D mapped fit supports movement and layering. Seamlessly knit mesh zones enhance breathability in heat-prone areas. The helmet-compatible hood and extended collar provide added warmth. Thumbholes keep sleeves secure under gloves or layers. The slim fit hugs the body for performance layering.