NIB ABEO Kai black leather women's sandals. size 7 The ABEO Kai is an innovative flat sandal designed for comfort in an upscale and sleek appearance. Featuring adjustable hook and loop instep and forefoot straps for security and stability, this fashionable sandal also features an extra layer of memory foam on the footbed for extra cushioning. Built-In Orthotic Insole offers arch and heel support, comfort and stability built to last. Leather Upper and Lining offers support with adjustability at the instep and forefoot. Memory Foam top layer on the footbed provides cushioning and support throughout the day. Molded Rubber Outsole for traction and grip.