A Slip-On Made for the Mountains The Mountain Mule Vansguard Leather is the ultimate in comfort and convenience for all your post-shred missions. Slip off your snowboard boots and slide into a life of luxury and style that only Vans can provide. Whether you’re unloading boards from the rig, making a quick run into the market for evening supplies, or taking the mandatory trip to the hot tub, the Mountain Mule makes the footwear statement your homies wish they’d made first. This comfortable slip-on is made with water-resistant leather uppers.