Adjustable Sizes By pressing size button, you can easily adjust the size. Our inline skates are available in four sizes, each size with a button to adjust the length. Before placing an order, please check size chart carefully. Supportive Low Balance Shell The roller skates for kids structure features an integrated shell and frame system with a lower center of gravity to give skaters more stability and control. This is especially great for new skaters because being closer to the ground helps with balance and allows them have more confidence. The lateral support of the roller skates for girls and boys will ensure proper ankle support and energy transfer to make learning how to skate better or simply improve existing skills. Secure, Convenient Closure The buckle, strap and lace closure system will help fasten the feet properly into the skate. It is easy to use and helps secure the feet