Kidzerts Klute - Children's Arch Support Sandal Quick-dry, water-resistant upper made with soft polyurethane and a flexible toe post Lightweight, dual-density EVA footbed is flexible and wear-moldable to conform to the foot for a customized fit. Arch support and heel cup help support proper alignment and improve balance. Help relieve pain associated with overpronation, heel pain, arch pain and foot fatigue. KidZerts Childrens Insoles is recognized and reviewed by LER (Lower Extremity Review) magazine.