Hey Dude Wally Knit Eco Sox Men's Casual Shoes - Desert Brown (color) Summer fun gets a comfort boost with these men's Slip On shoes. Designed to be light, airy and earth-friendly, they exude subtle sophistication. The stretchy upper is made with recycled PET and features no-tie organic cotton laces. The removable cork insole helps reduce odors and wick moisture away while providing built-in arch support. When you need traction, you can rely on the EVA and recycled rubber outsole for stability and support. • Recycled PET upper • Moisture-wicking, breathable cotton lining • Removable insole • Durable EVA and recycled rubber outsole