Vans x Shark Week Slip-On shoes. Vans and Discovery's "Shark Week" have teamed up on a line of shoes and apparel that supports Oceana's mission to protect the world's oceans and the sharks that call them home. The Shark Week Slip-On features sturdy low profile canvas uppers with a Shark Week print, padded collars, elastic side accents, and signature rubber waffle outsoles. Share the wave. The sharks all thank you. Imported.