The Rottefella Performance is a binding in which three functions in particular will contribute to increasing the enjoyment of cross-country skiing. Optimum adhesion and glide through the Rottefella NIS systemthe binding that is easily repositioned forwards and backwards on the skis Wide binding housing for optimum balance and stability Improved locking mechanism, extremely easy to operate Note: The mounting plate shown in the pictures is not included, only the binding is included as in all the cross country ski binding products Weight: 190 g  Width: 56,7 mm Shoe size: 36-52