Omni-Heat™ technology makes the Columbia 1/2-Zip Thermal Top an especially warm baselayer option. A blend of synthetic Omni-Wick™ fabrics are quick-drying and very breathable to keep you comfy, and Omni-Heat™ reflects your body heat back inside to keep you warm. The fit on this men's thermal is form-fitting for good performance as a layer.
- 86% polyester/ 14% elastane fabric
- Omni-Wick™ advanced evaporation wicks moisture away from your skin where it can dry
- Omni-Heat™ reflects your natural heat back inside
- Antimicrobial to prevent odor buildup
- 4-way stretch material for easy movement
- Thumb holes for keeping cuffs down over wrists
- Form-fitting for non-bulky feel when layered