Elastic side accents and padded collars for extra comfort. Signature waffle outsoles for firmer grip. Vans flag label. The materials used in the manufacturing of these styles (including adhesives) are free of any animal by-products and therefore are 100% vegan. A low profile, slip-on shoe, the Vans Classic Slip-On has elastic side accents and padded collars for extra comfort. It also features the Vans flag label and signature waffle outsoles for firmer grip. The materials used in the manufacturing of these styles (including adhesives) are free of any animal by-products and therefore are 100% vegan. Vans sizes are in Mens sizing.