Sentry Old Skool Trainers by Vans Using details like the heritage sidestripe and classic checkerboard print, the Sentry Old Skool WC is an icon. Featuring a desconstructed canvas uppers, lace-up fastening, heel pulls, metal eyelets, modern Wafflecup construction, and drop-in UltraCush sockliners for added comfort. - WAFFLECUP construction offers skateboarders the support of a cupsole without sacrificing any of the grip and boardfeel of a traditional vulcanized shoe - ULTRACUSH flat sheet sockliner has light, predictable cushioning and foothold for dependable comfort