Nunn Bush Men's Trekker Moc Toe BootAll the comfort of a slipper with the style and durability of a Chelsea Cotton canvas and textile upper made with recycled materials EVA and memory foam footbed Water resistant Scotchgard treatment helps prevent staining Biomechanically designed KORE technology helps propel you forward EVA and rubber outsole Footbed created with 20% BLOOM, and algae based product, which will return 32 liters of clean water to habitats and clean 20 cubic meters of air