Men's Hey Dude, Wally Sox Fans Slip-On. Throw these in your suitcase and go. The Flex and Fold sole system allows you to pack and travel with ease. Bi-component knit upper with soft cloth linings Low-top, chukka-style forefoot vamp is wide, allowing total circulation of the toe area Memory foam insole 2 lacing options, for an easy on and off Ultra light outsole that is extremely flexible and foldable Machine washable in cold water