Rubber sole Shaft measures approximately Ankle" from arch [Breathable Knit Upper]:Knitted Mesh Upper offers comfort and air permeability; Keep your child away from foot smelly. [Ultra-Lightweight]: Every part of the shoes such as the upper and outsole is made with super lightweight and high-quality materials, all to give your growing child less binding on their feet. [Non-Slip Rubber Outsole]: The wave pattern non-slip groove and durable design help improve stability. Thickened heel EVA insole and thicker outsole design to reduce shock impact while running. [Ankle Protection Design]: The special sponges on the top of the lining protect the ankle from hurt. Suitable for all-age range and height of ankle surround, give your children better protection. [Occasions]: Stylish and bright color just so so sneaker,best for school, gym class, running, playing, walking and sports.