Under Armour React 4" Volleyball Shorts - Women's Make the plays that helps your team come out on top in the Under Armour React Volleyball Short. HeatGearŪ Technology is used to wick away moisture, keeping you fresh through the entire match. A low rise and a wide, flat waistband provide a secure, comfortable fit. Compression fit. 85% nylon/15% elastane. 4" inseam. Imported.