The "Belfast" clog from Spring Step has a seamed vamp with a snap at the center to hold a reversible strap in place while it is over the instep. Strap can also swing around the ankle. Has a fully adjustable buckle and loop, elastic goring on either side of the vamp. Soft textile lining cushions your foot, while a foam-lined textile sock liner cushions your steps. Air holes ensure breathability and air circulation for all day freshness.