Stretch twill fabric upper with recycled linings. Front zipper and reinforced toe for durability. Sustainable algae-based foam layer under the insole. BZEES Cloud Technology: Welcome to Cloud 9. Dynamic Stretch Uppers: Free and natural movement is finally here. Designed so you’ll feel weightless, energized and free. SuperPuff foam padding at the heel. Free Foam Footbeds: Your feet need beds just as much as the rest of your body does. SoCush Memory Foam arch support. Air Infused Outsoles: You’ll feel like you’re walking on, well, you get the idea. 1 1/2 inch heel. Machine Washable: Toss ‘em in the wash and you’re good to go.