ATS® Max extra-wide shank for maximum support and less fatigue Waterproof PRO™ construction with an impermeable barrier BOA® Fit System delivers dialed in performance and micro-adjustable, precision fit Premium full-grain leather Mesh lining Removable Energy Max anti-fatigue insole for maximum comfort Lightweight, shock-absorbing dual-density EVA midsole Durable, oil- and slip-resistant Duratread™ sole 90° heel Goodyear welt construction Six-row stitch pattern