KEEN is an American footwear company that originated in Portland, Oregon. It gained popularity after Martin Keen developed the Newport Sandal in 1999 and introduced it to the market in 2003. Over the years, Keen has become well-known among outdoor enthusiasts and commuters alike. One of the distinctive features of Keen footwear is the black-toe bumper, which is still present in their current models. The company has expanded its product range from water sports, sailing, and hiking to include work boots, sandals, sneakers, and clothing lines.