ORTHOTIC ARCH SUPPORT: Firm arch support with a height of 3.5cm provides effective arch support to prevent and relieve pain associated with common foot problems. Ideal orthopedic insoles for children with flat feet, overpronation, high or low arches, common foot pain, arch pain, heel pain and plantar fasciitis. STRUCTURED HEEL CUT: The orthotic insoles are designed with a deep U-shaped heel cup. It helps stabilize and support the foot, preventing slippage and friction during high impact activities and long distances. PREMIUM COMFORTABLE: Ailaka's unique kids insoles are made of premium medical grade PU foam which can provide better cushioning and long lasting support for every step. They are softer and more comfortable than soles made of other materials. Anti-slip strips on the bottom keep the soles in place in boots, sneakers, casual shoes. SOFT AND BREATHABLE FABRIC: The top layer is velvet. It helps to keep the feet cool by sucking up all the sweat and moisture. Feet stay comfortable even in hot weather.