definitely can not be used for anything other than ....hmmm can't think of anything because there isn't enough ankle support for cross training...they are way too heavy and inflexible for running and as far as just everyday wear they look like boats. the picture makes them look like they curve in with the shape of the foot but its an optical illusion created by the stripe. the are basically square. they are super stiff so when you walk they don't bend with your foot well.