Allbirds Sugar Slides men's sandals in black, size 11 (women's 13). Crafted from eco-friendly SweetFoam® made from renewable sugarcane, producing a low carbon footprint (+4.43 KG CO2E). Features adjustable Velcro strap, textured footbed for comfort, and lightweight, durable design. Gently worn condition with light signs of use. Comfortable and sustainable everyday slides from Allbirds.