Put in full days in the saddle without numbness and aches. The Contact SLR’s carbon rails and base material, along with ultra-light fill make for the perfect marriage of light weight and comfort. With a five-minute fit process, Liv provides a saddle that fits you best while you are riding a bike, a philosophy we call Dynamic Cycling Fit. Dial in a more customized fit with Particle Flow Technology, where free-flowing particles support you where you need it most.