The sole is soft and individual, and the rebound is good. It allows the baby to enjoy the sports time. The appearance is fashionable. It is believed to be the style that the male baby loves. The breathable mesh design can be worn in the four seasons and will not be stuffy.Homemade size XS = 34 S = 35 M = 36 L=37 XL = 38 Please choose the size that fits your baby according to this size standard.