Premium Materials: The unique molded Insole is made of reinforced Eva foam for better cushioning and durable support with every step. Orthotic Arch Support: Stable support for the The 2cm tall arch provides effective arch support to prevent and relieve pain associated with common foot conditions. Orthopedic insole ideal for children with flat feet and plantar fasciitis. Structured heel cup: the deep U-shaped heel cup helps stabilize and support the foot and naturally prevents the heel from slipping and rubbing during high impact and long-distance movement. Cozy: Forefoot velor and pores provide better ventilation and antibacterial effect throughout the day. The fabric also absorbs sweat and moisture produced by the feet and helps keep feet cool.Keep your feet cool even in hot weather.