Selle Italia's lightest short saddle ''Boost'' short nose improves thigh clearance, saddle fit and reduces weight 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 Weight: S: 122g, L: 129g