Asymmetrical composite safety toe - Premium Full Grain waterproof leather with waterproof membrane - Timberland supports responsible manufacturing of leather via the Leather Working Group - Electrical Hazard Protection - Dial in to fast effortless precision fit with the BOA Fit System built for all-day performance in any environment - Lightweight and abrasion resistant All-Weather TPU outsole - Fiberglass shank for structural support - Non-metallic puncture resistant plate - Anti-Fatigue technology polyurethane footbed for shock absorption and energy return - Molded Timberland PRO rubber toe - Rigid external heel cup for lateral stability - Breathable and moisture-wicking lining with anti-microbial treatment for odor control - Combination three-quarter Goodyear welt/cement heel construction