Waterproof leather flat boasts AirEeze™ technology to keep your feet cool and comfortable throughout the day. Unique Z7 Cradle™ technology engages seven major lower-body muscle groups as you walk, helping to improve balance, burn more calories and tone muscle. Seam-sealed waterproof construction. Removable footbed. Leather upper/leather, rubber sole. Gently used condition but lots of life left. *Same day shipping if possible.