Choose the Flexweave Run for even higher speeds. This lightweight downhill model hugs the top of the tread and provides discreet but steady support. Vibration absorbing cushions beneath the tread give you superb feel and comfort even at the highest speeds on each ground. Materials: Upper seamless fabric for breathable support. Line: Low-cut design for freedom of movement and faster transitions. Recommended for: Flexibility in running, running 5km, intense workouts. Flexweave technology adds durability and breathability to the top without seams. 3-D foam midsole with leg footprint mapping for adaptive precision anti-vibration protection.