Tundra with Wing Flex shell flexes downward where the inner thigh contacts the saddle, allowing more efficient pedaling and full-range of motion. M1 features composite carbon Co-Injected shell with carbon braided saddle rails.
Carbon thermoplastic composite shell
Integrated Clip System (ICS): tool-free interface in the saddle base that allows quick attachment and removal of fizik packs and blink lights (ICS is found on all saddles unless noted)
Carbon Braided Rail: sleeve of braided carbon fibers filled with unidirectional carbon fibers that are capable of expanding and contracting