VANS Slip On 26.5cm (US8.5) The upper uses canvas material. The SLIP ON is an iconic model from VANS' classic line. It's a model that enjoys unwavering popularity alongside the SK8-HI, OLD SKOOL, and ERA. Seasonal colors are well-received with each release, but the standard colors are sneakers you'll want to have at least one pair of. The waffle sole and simple design are its greatest charms. It doesn't dictate style, so it's suitable for a wide range of situations.