Total performance. Maximum comfort. Evolved for a customizable, exact fit that’s tough yet flexible. A mainstay in the FLY Racing lineup for over a decade, EVO-DST Durable Stretch Technology (DST) at its core for another level up in form and function — combining superior strength with flexibility where you need it. The low-profile and multi-panel stretch design moves naturally with you whether you’re running sprint laps on the track or handling hard miles on the trail.