Vionic Women's Rest Amber SandalSmart and stylish, Ambers four straps adjust easily for those long flights and workdays when your feet need a little more breathing room. Four points of adjustability on this backstrap sandal deliver completely customizable comfort. Two square enamel trim beads add interest to the top of the vamp. Manmade or natural cork uppers with microfiber covered footbed. Lightweight, flexible EVA midsole absorbs shock, reducing stress on feet, ankles, and knees.