Roces 2016 Idea Adjustable White/Deep Pink Kids Ski Boots 16.0-18.5 '6in1' technology, it is possible to adjust the size of the ski boot to accommodate the natural growth of the kids' foot One 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