Introducing the Hey Dude Savannah Slip Seasonal. This ballerina-inspired silhouette gets a modern update with some new seasonal style! Featuring Savannah's classic, comfy knit stretch topline that hugs your foot perfectly. Extreme heel comfort for al Flex & Fold: This supports healthy feet with its unique shape giving complete freedom of movement. Textile and synthetic upper with cotton lining. Slip-on style. Low-top design.