Features of the Sugoi Men's Evolution Zap Short Moisture wicking breathable fabric for High output Performance and comfort Flat seams and 8 panel design combine for a low profile, contoured Fit MABA(R) PowerBand silicone leg gripper provide slip free comfort without constricting our tHighs Update RC Pro chamois with 3D construction at front and Poron foam at sit bone Area for better Performance Zap Leg Band for better visibility during night rides