Selle Italia SLR 3D Elite Saddle. Features: Featuring steel rails and an advanced silhouette for the ultimate SLR sitting shape Builds upon the renowned SLR shape with innovative material selections, making it a top choice for competitive racing and group ride Crafted with PU padding for comfort and performance, and a micro-perforated cover for a sleek appearance, the Elite is equipped with durable steel rails that enhance road feedback absorption, reliability, and lightweight design L3 and L1: "Wide" intertrochanteric distance and high pelvic rotation (Flow and SuperFlow saddles) S3 and S1: "Narrow" intertrochanteric distance and high pelvic rotation (Flow and SuperFlow saddles) Specs: Model:SLR Elite Idmatch:L3 Rails:Steel Top:Fibra-Tek Color:Black Lx W Mm:242x145 Weight:172g