Affordable, supportive, and a simple black color that is acceptable to girls or boys, the Alpina T5 Jr cross country ski boot is a comfortable piece of gear that is likely to help a young skier enjoy the sport. The speed lacing with top lace hook is easy for kids or parents to lace up easily. Thinsulate insulation combined with waterproof synthetic upper keeps feet warm and dry. Thinsulate insulation adds warmth Over the ankle design adds support and keeps snow out NNN T4 sole has a soft flex for light skiers Anatomical foot-bed supports the foot for all day touring comfort Sole is compatible with NNN, Turnamic, and Prolink bindings Alpina Junior Boot Size Chart EU Sizing US Kids