From everyday urban excursions to all-weather day hikes, maintain maximum stability and comfort with waterproofness and warm-day breathability. Combination Nubuck and mesh, synthetic upper. The G3 Spine System+ and Vibram G3+ outsole promote a smooth stride and cause the shoe to be stable without being "clunky." The G3+ TPU spine facilitates cushioning and stabilization on the rear and midfoot, along with easy flex at the forefoot. Features Garmont shock absorption with compression molded polyurethane midsole for more cushioning, durability and stability. A rubber toe bumper for impact and abrasion protection. GORE-TEX XCR (Extended Comfort Range) waterproof lining. Extra pair of insoles included. Shaft: 4 12 in Circumference: 14 12 in Weight: 1 lb 4 oz Product measurements were taken using size 8.5. Please note that measurements may vary by size.