Cold feet, warm boots! Chilly days are no match for this cozy, machine-washable boot. Stretch fabric upper with round toe. Side zip. Sustainable algae-based foam layer under the insole. BZEES Cloud Technology: Designed so you'll feel weightless, energized and free. Air-Infused Outsoles: Bzees are ultra-lightweight, soft, & bouncy. Dynamic Stretch Uppers: Stretch fabrics move & groove with you. Free-Foam Footbeds: Crazy-cushy anatomical insoles are blow-your-mind comfy. SoCush Memory Foam arch support. 1 1/4 inch heel. Machine Washable: Wash on cold and air dry.