This strappy slingback features a combination patent and elastic upper with matching elastic back strap for a snug fit, jersey lining and a 3.5" heel. The soft footbed boasts a two layer insole. Memory foam, like pillows provided in five-star hotels, absorbs shock, shapes and holds perfectly to cradle the foot for lasting comfort. Latex foam has a premier bouncing nature which provides cushion and a feeling of protection with every step. Manmade materials.