Prepare to perform at a high level in our Men's Intraknit™ Merino 250 Thermal Colorblock 1/4 Zip. A great base layer for cold weather, this bulk-free, 3D-knit, 100% Merino wool thermal layer brings a new dimension to active winter wear with its seamlessly integrated insulation and ventilation. And with perfectly articulated flex zones, this Smartwool® base layer will help you move as gracefully as ever while you're skiing, hiking, or running through the season.
100% Merino yarn provides the full power of Merino with unparalleled moisture management, insulation, thermoregulation, and odor control
Engineered construction uses knit structures to enhance performance with a sophisticated finish
Insulating terry loops are seamlessly paired with mesh ventilation in gender-specific zones designed to balance warmth and breathability
3D mapping results in near custom fit and freedom of movement while ribbed elbows provide added durability
Knit-in reflective elements enhance visibility in low light conditions