The SLR Boost 3D Kit Carbon Superflow is made with a 3D printing pattern designed by Selle Italia and provides support on the toughest road rides. It helps you tackle the steepest climbs and fastest descents. The differentiated damping zones ensure progressive absorption of vibrations, and the carbon rail offers strength and comfort with every pedal stroke. This high-tech racing saddle with Carbon DLS technology is among the most advanced on the market and is the perfect saddle to complete your dream bike.