SpeedFreak ventilated race fabric on front of upper portion Velocity Mesh back gives wind-tunnel-proven speed on the bike Rear 30cm YKK zipper FreeAero 2 hydro- and aero-optimized pockets Soft-finish armholes to reduce chafing Instadry Speed fabric on short is fast in the swim with minimal water absorption KISS Tri seat pad is comfortable on the bike and virtually disappears on the run 2 small pockets on hip for nutrition during run GIRO Air leg gripper elastic WEIGHT: 141 g (Small)