Force Drive(TM) nylon outsole with anti-slip rubber studs.
Shellfit ™ uppder is a tongue-less design that perfectly wraps along the contour of your foot.
3 large velcro straps are easy to grab and provide infinite adjustment
AirStreaming 4-Vent Cooling System
Heel force band extends from the top of the heel down to help transfer upward force to the pedals