Slim

Smartwool Intraknit Thermal Merino base layer top features a sophisticated colorblock design in charcoal, forest green, and mint. Engineered with 3D-mapped construction for a custom fit and enhanced freedom of movement, this technical quarter-zip provides targeted insulation and ventilation where you need it most. The slim-fit merino wool blend offers natural odor resistance and moisture management, making it an ideal choice for high-intensity cold-weather activities like skiing, hiking, or running. Finished with a ribbed mock neck and integrated mesh zones for maximum breathability during active use.