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Those were the words your buddy told you before you set your sights for an epic first ascent, and you can rely on the La Sportiva Men's G5 Mountaineering Boot when you're ascending unknown terrain. This highly technical big mountain boot boasts a stretchy Cordura gaiter equipped with a waterproof membrane and a heat-sealed zipper to keep wetness at bay. The durable upper features flex zones to keep you trekking and climbing anatomically, while the insulated felt works with the insulated footbed to maintain warmth. Vibram's Matterhorn rubber sole includes large lugs and step-in crampon compatibility.