A very popular choice for back country use. All you need is a pair of winter shoes or boots with flexible soles. The thick base plate with hinge offers a nice skiing feel and a bit of lateral stability. The rear has an adjustment lever with a pop-out mechanism that protects the binding in the case you use it with boots with an exceedingly stiff sole. - Minimum recommended ski width at the middle: 70 mm - Ratchet straps - Quick length adjustment for different shoes - The bindings are hinged as well as flexible, for complete free heels action - Suits shoes and boots with outer length between 24 - 38 cm - Made in the EU Package contains one pair of bindings. The bindings use the same screw mounting pattern as NN (nordic norm) 75 bindings. Do not use this binding with very stiff hiking boots or ice climbing boots.