Fi'zi:k Rondine Saddle & Saddle Pa:k TechnoGel is positioned where you need it mostalong the length of the saddle for support to the prostate area and sitbones Wing Flex technology allows sides of saddles to break in and flex as the rider pedals, ensuring more freedom of movement and pedal power Open-cell, low-density foam provides great comfort; low rails create a sleek profile Integrated Clip System in the base of the saddle allows quick attachment and removal of I.C.S. accessories, such as bags and safety lights Microtex cover is lighter than leather, durable, water resistant and washable, and it will not fade