Canvas upper. Vulcanized bottom. * Traditional gum rubber outsole. Medium Width. * Now kids can learn to put their shoes on without the help of mom and dad thanks to Vans Kids Classic Slip-On Skate Shoe * While they won"t be riding down any half pipes anytime soon, the strong vulcanized rubber and lightweight canvas upper mean both dura * Brand New Vans Black/White Toddler Classic Slip-Ons Skate.