A soft, sweat-wicking fabric with four-way stretch for freedom allows you to keep on going. Stay dry - Nike Dry fabric moves sweat away from the skin to the fabric's surface, where it quickly evaporates Easy comfort - Zip ankle hems enable easy on-and-off for quick changes at the gym or on the track Ergonomic fit - An articulated gusset is designed for a non-restrictive fit to let you move freely Side and back zip pockets for secure storage Elastic waistband for snug comfort Get your run on with Nike's Dry Phenom Running Tights.