The Tyrolia SX 4.5 AC is a safe, performance driven binding for aspiring kid champs. Featuring the precision response of SX Kid Heel and Toe and a host of release features, including Full Diagonal and our TRP System, this binding with a DIN of 0.75-4.5 gives kids the advantage of both agility and safety on the hill. It's the binding groms need to shred with confidence. AC – Fits both adult and childrens' boots
