Men's Vasque Wasatch GORE-TEX Backpacking Boots Strobel construction and a compression resistant polyurethane midsole give the medium duty Vasque Wasatch Backpacking Boots a soft feel and athletic fit. Its exclusive Vibram outsole and bootie offer lasting performance on long trips. Check 'em out: Waterproof nubuck leather uppers. Vibram contact outsole. Lace-up, durable.