Vans Old Skool Trainers - Sesame Gum Tan. The Gum Bumper Old Skool, the Vans classic skate shoe and first to bare the iconic side stripe, is a low top lace-up featuring sturdy canvas uppers, re-enforced toecaps to withstand repeated wear, padded collars for support and flexibility, and signature rubber waffle outsoles with gum-colored fronts.