The precision knit mesh uppers of Propét’s white-and-silver “Stability Fly” athletic walkers have breathable nylon linings, a removable PU insole with cushioning gel heel pad and arch supporting EVA midsoles with traction rubber outsoles They are just so comfortable: super lightweight shoes that feel great all day! Women’s sizes 5-11, 12 and 13 in 2E and 4E