Keep cool with Under Armour’s Iso-Chill Long Sleeve Shirt! It’s features a special blend of flattened out fibers which pulls heat away from the body to keep you cool and wicks away seat to keep you dry. The Iso-Chill also features Under Armour’s exclusive Scent Control technology which kill odor causing microbes, allowing the wearer to stalk game undetected. In addition, the Iso-Chill is outfitted with articulated sleeves and a 4-way stretch construction for unrestricted movement in every direction. Features of the Under Armour Iso-Chill Shirt: Iso-Chill fabric – disperses body heat Scent Control technology – kills odor causing microbes 4-way stretch construction Under Armour Women's Iso-Chill Brushline LS Shirt UA Barren Camo/Black 1365593-999