Resolable Goodyear welt construction, 6" lace-up shaft with padded gusset tongue and collar for improved fit with ladder rung design in waist for safety, Durable rubber and EVA Net-Fit platform and slip resisting solid rubber outsole with 90 heel breast for safety, Strong composite safety toe with protective heel and toe caps, Hawx Ground Support Work Boot Insole for maximum, heavy-duty comfort, arch support, shock absorption, stability, advanced airflow with moisture and odor control, and to reduce impact on joints and muscles, Impact-Activated Poron XRD Internal Metguard and reinforced Poron XRD TPU Heel Guard, Top layer blown TPE Elastomer foam, compression molded EVA foam for light weight and comfort, air chamber cavity with channel grooves for comfort and temperature regulation, dual density compression molded EVA stabilizing cup for enhanced torsional stability, and forefoot TPU elastomer pads for enhanced rebound, Top-quality full-grain leather upper with antimicrobial top cover, Puncture-resisting insole and compression molded EVA midsole for all-day comfort, Electrical Hazard Rated,