An agile, lightweight backpacking boot, Vasque's St. Elias combines all leather comfort with a cutting edge, weight optimized outsole that conforms to the irregularities of the trail for ridiculous traction and feel. TPU shank provides support underfoot on uneven terrain. Vasque exclusive Vibram Frontier rubber outsole with Vibram XSTrek compound for outstanding uphilldownhill traction, slip resistance, grip, and durability secure downhill stopping power inset spikes promote release of debris and mud. A.S.E. midsole with soft EVA cushioning pods allows outsole to conform to trail irregularities provides incredible traction and feel both out of the box and on the trail. 2.3 mm waterproof oiled nubuck leather upper for durability and support. Gore Tex waterproof and breathable membrane seals out water and allows perspiration to escape. Dual density EVA footbed adds cushioning and support. Molded rubber toe bumper for protection and durability. Summit last for quickness and agility on technical ground. Wide width.