HEY DUDE. 112470710. WALLY ECO SOX. COBBLESTONE. Our iconic design in the best earth-friendly materials we could find. Classic moccasin construction in a stretch knit woven from 100 percent 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.