FLUX Bindings Model: XF Size: S (22.5 - 25.5cm) John Jackson Pro Model Carving, Freeride, Park, Powder, All-round This signature design model expresses John Jackson's unique worldview with different designs on the left and right. The model is the XF, which has been upgraded to a Super Ultima base. It has evolved into a model that allows you to express your own style through high responsiveness, cushioning, and the twist of the highback. Size: S M size is also available.