Life-changing comfort for the win! This extra-cushy, sporty slip-on is at the top of our list. Stretch engineered knit upper with partially recycled linings and round toe. Slip on fit. 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 s move & groove with you. Free-Foam Footbeds: Crazy-cushy anatomical insoles are blow-your-mind comfy. ComfortBoost™ Foam: Our most premium foam with unbelievable rebound, luxe cushioning, and comfort that never quits. Comfort Cone Gel: Get that extra “ahhhhh factor” with heel impact shock absorption and cushioning in all the right places. SoCush Memory Foam arch support. 1 1/2 inch heel. Machine Washable: Wash on cold and air dry.