Sleek design with a collapsible heel, Donny Hemp Shoes by Sanuk feature a hemp-cotton blend upper, poly-wool blanket lining, and side vents for enhanced breathability. The high-rebound footbed ensures comfort that lasts all day, making them so good you’ll never want to wear anything else. Men's slip-on shoes Collapsible heel 53% recycled materials Side air holes for breathability Hemp cotton blend Soft Top footbed with antimicrobial additive Barefoot friendly wear