Easy on for the kid whos always on the go. The Athens has Kiziks unmistakable spring-back Cage, plus Rabbit Foam® outsoles that bounce back for cushy walking. Plus, it stays on for all that jumping, running, climbing, and all-around kid stuff. Sizes 12.5-3 style has laces that dont tie; sizes 3.5-7 style has laces that can be tied.