Hey Dude Wally Eco Sox Shoes. Our iconic design in the best earth-friendly materials we could find. The Wally Eco Sox collection showcases our classic moccasin construction in a stretch knit woven from 100% recycled plastic bottles, with hemp reinforcement at the heel. Soft, organic cotton lining. Recycled cork, recycled rubber and organic cotton details. As always, featuring our Easy-On System with organic cotton laces and an ultralight EVA outsole, for a never-ending, feel-good wear. Flex & Fold Technology. Stretch knit upper woven from 100% recycled PET. Soft, organic cotton printed lining . Easy-On System with Organic cotton laces. Ultralight outsole material combines EVA and 15% recycled rubber reclaimed from conventional shoe-manufacturing processes . Removable, cork-lined, memory foam insole uses 15% recycled cork and is moisture-wicking and ergonomic. Machine washable (cold), Air dry. Imported.