The iconic Vento Arione R5 saddle is back, with a supportive, streamlined shape and a flat profile-designed to allow freedom of movement and a responsive feeling in racing conditions and aerodynamic positions. PU Foam is Fizik&';s signature, proprietary formula, developed through decades of research and experience in saddle manufacturing. PU Foam is progressive, resilient, and provides consistent, long-lasting performance R5 saddles feature a combination of S-Alloy rail and a ride-compliant, fiber-reinforced nylon shell for reliable performance at an approachable price Carbon reinforced nylon shell Item Specifications Clamp Style Standard Rails Color Black Defined Color Black Gender/Age Unisex Length 284 Material Synthetic Rail Material Aluminum Saddle Cut Out No Weight 245 Width 145 Fizik Vento Arione R5 Saddle Saddles EAN: 8021890646538