Step lightly in a crazy-comfy, machine-washable slip-on with a stylish wavy knit detail. Stretch wavy knit upper with partially recycled linings Slip-on fit with stretch BZEES Air Step Technology: Designed so you'll feel weightless, energized and free Air-Infused Outsoles: Bzees are ultra-lightweight, soft, and bouncy Dynamic Stretch Uppers: Stretch fabrics move & groove with you Free-Foam Footbeds: Crazy-cushy anatomical insoles are blow-your-mind comfy CrazyComfy cushioned heel collar SoCush Memory Foam arch support Anti-Microbial and Odor Control technology 1 1/4 inch heel Machine washable: Wash on cold & air dry