High tech, ultra light short racing saddle ''Boost'' short nose improves thigh clearance, saddle fit and reduces weight Split tail design flexes naturally while pedaling, offering increased comfort SuperFlow technology drastically reduces pressure in the perineal area Carbon infused shell ensures low weight and durability Fibra-Tek cover, made from a strong, highly durable and lightweight technical microfiber material CarboKeramic rails, made from ceramic-coated carbon, offer low weight and superior clamping resistance Selle Italia idmatch S3 / L3 Weight: S: 160g, L: 165g