Selle Italia SP-01 Boost Kit Carbonio Superflow S Saddle 250 x 130mm Men 160g BlackHigh 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