Ahnu Women's Leela Slipper 100% Leather Imported Rubber sole Shaft measures approximately 5.75" from arch Boot opening measures approximately 9.5" around Waterproof full-grain leather with heathered neoprene accent Rear entry zipper for easy on/off Removable, lightweight polyurethane footbed for comfort and Internal Numentum technology for neutral positioning, comfort and support Internal nylon shank provides arch and mid-foot support