Breathable air mesh upper. Sturdy synthetic overlays for targeted support. Heel pull loop for an easier on and off. Plush tongue and collar for added comfort. Soft fabric lining. Molded foam insole supplies light underfoot cushioning. Injection molded EVA midsole for firm yet flexible cushioning. N-FUSE technology combines the foam of two different densities to provide soft cushioning * support and compression set resistance. AT Tread is an all-terrain outsole with a running and trail lug design for on- and off-road use. Built on a Natural PL-1 last. This last type has a standard toe box width and depth * a standard instep height * and a standard heel width. Assembled in the U.S.A. Measurements: Weight: 13 oz Product measurements were taken using size 11.5. Please note that measurements may vary by size.