Bon Hiver 18 Series Quantum Snowboard Binding, Medium/Large, Grey 18 Series offers strap-in binding performance with one-time strap-in for the whole day Hands-free locking in on the lift or on-the-fly while skating with the help of high-strength neodymium magnets Ride directly off the lift with both bindings locked and ready to rock without ever having to stop to strap in