Our Millworks waterproof boots help you get the job done with composite safety toes powered by CarbonShield technology, electrical hazard protection and amazingly comfy footbeds with anti-fatigue technology. And they look good enough to wear out after work!. . . Premium full-grain waterproof leather uppers with waterproof membrane. Composite safety toes powered by CarbonShield technology. Anti-fatigue technology polyurethane footbeds for shock absorption and energy return. Steel shanks. Breathable, moisture-wicking linings with antimicrobial treatment for odor control. Goodyear Welt construction for a durable mechanical bond. All-weather TPU outsoles are heat-resistant up to 572 degrees Fahrenheit/300 degrees Celsius using EN/ISO 20344:2004. Weight of a single boot (size 9): 941 grams, or 2.1 pounds. Spot wash. Imported.