Stretch engineered knit upper with partially recycled linings and a round toe Strappy detail, metallic ornamentation and back pull tab BZEES Air Step Technology: Designed so you'll feel weightless, energized and free Ultra Lightweight: Step lightly with a nearly weightless feel Dynamic Stretch Fabrics: Move freely in shoes with built-in stretch FreeFoam™ Comfort: Low pressure insoles with maximum foot contact and cushy arch support Comfort Cone Gel: Get that extra ahhhhh factor with heel impact shock absorption and cushioning in all the right places Anti-Microbial and Odor Control technology 1 1/2 inch platform, 1 3/8 inch heel Machine Washable: Wash on cold and air dry