Waterproof full-grain leatherSweat-wicking wave mesh lining and insoleEnergy in every step from integrated Wolverine MultiShox® system: removable full-cushion insole and slip resistant rubber lug outsoleLightweight PU midsoleFlexible Wolverine Contour Welt® construction moves with youFeel the 30-Day Comfort Guarantee difference. Wear them for 30 days and get a full refund if not completely satisfied