This sandal features adjustable hook-and-loop straps at the vamp, ankle, and heel strap. Dual comfort: A unique combination of two foam compounds that you have to feel for yourself to believe. The top most layer is created from memory foam, which forms to your foot for instant comfort. The bottom layer is created from an open cell foam that absorbs the pressure of each step and provides all-day comfort. Scothgard protection; and flexible rubber outsole.