Keen is an American footwear and accessories brand. The label was established in 2003 by Martin Keen and Rory Fuerst, based in Portland, Oregon. Find preowned Keen shoes on Depop. Shop secondhand sandals, hiking shoes and performance designs. Explore used footwear for outdoor adventures in polar conditions and water. Discover waterproof styles, canvas lace ups and more. Look out for designs from the NXIS, Newpoer, Targhee, Ridge Flex and Jasper collections online.