The 4000 Thermal Zip Neck is our middle-of-the-line tops offering and offers the best blend of warmth, breathability and moisture wicking for just about any activity.
Soft and stretchy performance baselayer with seamless Fuseknit design. Designed for comfort while running, hiking, cycling and exercising for in cool to cold temps.
Made of lightweight, warming yarn for optimal thermoregulation and provides excellent moi
When practicing winter sports, wearing a very thin first layer of clothing that allows moisture to be evacuated is ideal. The 2004 long-sleeve top is a perfect base layer to keep you dry all winter. Antibacterial and anti-odor properties make it an ideal
