Competition grade sport saddle for MTB-XC and Road use Nylon Fiber Injection AirForm - saddle fill system for more effective vibration absortion Zone Full Cut - a hole in the saddle that improves comfort, reduces pressure where needed most and improves ventilation Arc Tech - rail suspension system Cr-Mo rails with scale for easy adjustment Cover material: PU (Polyurethane), resistant to rain Silicone elements for better grip Size: 244 x 148 mm Weight: 275 g