S/I SLR BOOST GRAVEL SUPERFLOW L BLACKThis 204 gram saddle has lightweight but strong TI 316 rails and a short, 248 mm nose for comfort, maneuverability, and optimal pedaling ergonomics Designed for gravel riders who want the best and most advanced saddle designed specifically for their sport Fibra Tek top material guarantees a strong and durable lifetime at a very low weight Special reflective surface which makes visible each movement even in poorly lit areas, improving safety