Developed from the legendary Sixam 2.0, the Siege is a forgiving intermediate level ski that delivers a stable ride with effortless turns. With six sizes to choose from, there's a Siege out there that's guaranteed to fit your needs. If you are looking for a high performance ski that is easy to ride, then you have found your match with the Siege. Flex: Performance. Fin: Carve. Bindings: Z-9. Tunnel: Rapid Response Tunnel. Bevels: Small, defined bevel for easier turning.