The stretchiest boots you'll ever wear! Make room for these knee high boots in your closet. Stretch fabric upper with a round toe Full-length side zipper, extra-stretchy back panel, and buckle detail BLOOM™ materials: Eco-conscious algae-infused foam layer under the insole 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 SoCush arch support Anti-Microbial and Odor Control technology 14.57 inch boot height, boot circumference extends to 14.57 inches 2 3/8 inch block heel EVA outsole Get Width It: Countless pairs of Bzees come in wide width shoes for women Machine Washable: Wash on cold and air dry