Just returned from 1 week rafting the Grand Canyon, for which I bought these shoes. The length was fine, but they quickly stretch wide in the back portion of the shoe which decreases the fit to uncomfortably loose. The traction when wet was poor, as I felt my heel was sliding in the shoe when walking on the pontoon boat. They were about as useful as flip flops. The Chacos and Keens seemed better suited for such activities, based on what others on the trip were wearing.