Dynafit radical st tech bindings aluminum toe plates feature side towers that align your boots with the binding pins to allow easy step in entry length of the bindings can be adjusted plus or minus 125mm to fit a range of boot sizes climbing bars flip up and down offering 3 heights for efficiency while touring new design eliminates the need to rotate heel pieces to adjust the climbing bar positions heel pieces are din adjustable 4 10 for forward and twisting falls glidi