Double weave nylon upper with waterproof membrane and All Weather TPU outsole, Breathable and moisture-wicking lining made with partially recycled ReBOTL material, Fast, effortless, precision fit with the BOA Fit System, built for all-day performance in any environment, EXOSHOCK toe reinforcement layers TPU and PU distributing impact over a larger area, enhancing durability and reducing weight and a rigid external heel cup for lateral stability, Asymmetrical composite safety toe, Electrical hazard protection and electrical shock resistant, Anti-Fatigue Technology polyurethane footbed and fiberglass shank for structural support and torsional rigidity, Non-metallic puncture resistant plate, Cement construction for flexibility, Blood-borne Pathogen Resistant,