Vans MTE Slip On Trek Shoes Blue Men's Size 12 Just go surf, rinse, then repeat. The Slip-On TRK combines all the Vans DNA that you know and love with a durable, single piece injected construction, deconstructed checkerboard drainage holes, and an incredible traction for any situation. Designed to be lightweight, the Slip-On TRK is easy to pack for your next adventure, so you can slip-on and on and on… TRACTION - Improved traction, thanks to the oversized reverse waffle sole BREATHABLE AND RINSABLE - Drainage holes mean that whatever goes in goes right back out. A ONE-PIECE, SOLID, DURABLE DESIGN - The single-piece construction makes the shoe collapsible and packable