Designed to be a comfortable mountain bike saddle Designed for cross-country riding and racing A strong, light composite carbon co-injected Nylon shell with Wing Flex technology Has a relatively long, flat, narrow shape that allows for great power transfer and great support, along with flexibility of movement Kium alloy rails Features a strong, light composite carbon co-injected Nylon shell, with WingFlex technology and a Kium rail for light weight and strength Thermowelded Microtex cover Also features a thermowelded Microtex cover for ultimate durability on the trail Integrated Clip System compatible. SADDLE TUNDRA M3