Rubber sole [MATERIAL]: Natural materials, breathable mesh material which is warm and soft enough enable the feet best feeling [HOOK AND LOOP]: The hook and loop strap is child-friendly and makes it easy for your child to take on and off themselves. From narrow to wide shaped feet, easy to adjust for any foot size. [OUTSOLE]: Durable and high-quality rubber outsole provides strong traction for those movers and shakers in your family, creating a grip that prevents them from sliding on all surfaces. [MIDSOLE AND LINING]: Extra soft midsole is added between insole and outsole. A lightly cushioned synthetic footbed gives better support of your child's foot to reduce the chance of blisters or symptoms of discomfort caused by thin or firm soles. [UPPER]: Variety of colors in neat design, you'll be able to pair these adorable shoes with any outfit.