Climate control in a sweatshirt: this one evaporates your sweat when you're hot, and returns energy to the body to keep you warm when you're cold. Can your regular old sweatshirt do that? 6.25-ounce, 65% polyester35% Cocona(R) 37.5(R) polyester. Relaxed Fit: closer to the body, but still has room to move. FastDry(R) with 37.5(R) Technology makes this our fastest-drying gear. Fights odors. Half-zip mock neck. Left-chest map pocket with zip closure. Front handwarmer pocket. Stretchable and comfortable knit cuffs and waistband. Imported.