Explore the outdoors even in the coldest conditions with Under Armour's Base 4.0 1/4 Zip for Men. This garment is designed to provide maximum warmth in extremely cold environments. The 4-way stretch fabric allows unrestricted movement in every direction while the generous 1/4 zip front offers easy layering control. To ensure comfort during your adventures, this top boasts UA Scent Control Technology, reducing odor to keep you fresh and a quick-dry material to wick away sweat. Made of 93% polyester and 7% elastane, this baselayer top is an excellent choice to brave the chill and embrace the thrill of outdoor sports.