Selle Italia Max Boost Superflow Saddle. Features: Designed to meet the growing demand for comfortable and ergonomic saddles Central Superflow hole allows pressure to be relieved from the perineal area Fibra-tek is Selle Italia's latest cover material offering supreme durability Ti 316 7mm rails are hollow titanium, a balance of strength and light weight Specs: Model:Max SLR Boost Superflow Idmatch:L3 Rails:TI 316 Top:Fibra-Tek Color:black Lx W Mm:248x155 Weight:174g