Turn your body into a running machine with the Mizuno Breath Thermo® Bio Leg™ Tight. Specialized D.F. Cut™ design reduces friction for unrestrained movement. Breath Thermo® panels at knees create optimal ligament warmth. Bio Leg™ technology increases muscle stimulation. Locking leg zippers with zipper guard. Back storage pocket. Reflective logo. 92% polyester/8% spandex. Polyacrylate fill. Imported.