Premium waterproof leather with waterproof membrane - Molded Timberland PRO rubber toe protector - Composite safety toe - Combination three-quarter Goodyear welt/cement heel construction - Rigid external heel cup for lateral stability - Fiberglass shank for structural support - Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return - Breathable and moisture-wicking lining with anti-microbial treatment for odor control