Roces Idea Up G Girls Ski Boots - 19-22/White-Light Blue-Black (2 Buckle) '6in1' technology, it is possible to adjust the size of the ski boot to accommodate the natural growth of the kids' foot Two micro adjustable plastic buckle Soft flexing youth ski boot Sole length of the boot remains the same as you expand and contract the fit, so no need to remount ski binding to accommodate a growing foot Forefoot width is approximately 101mm