Atomic waymaker 4 junior boys ski boots the kids atomic waymaker 4 ski boots have been designed with a progressive cuff and flex that provides 100 support while their style and technique are developing along with size adjuster inserts that adds an extra half a size to the boots when it is needed as your childs feet grow these atomic ski boots also benefit from 3mtm thinsulate lining that keeps their feet toasty warm while out on the slope a new narrower buckle design helps to reduce buckles