Ua Sentry Trainers by Vans A new silhouette from Vans, the Ua Sentry trainers are crafted from canvas uppers a classic black in a modern Wafflecup construction. Featuring a \'Flying V\' logo label offering a retro look, lace-up fastening, new drop-in sockliner for comfort, metal eyelets, and heel pull tabs. - Wafflecup construction offering 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