The durable construction and insulated protection of the Timberland PRO 6 Resistor Composite Safety Toe Waterproof Insulated Boot keeps you safe and comfortable in difficult terrain and inclement weather. Style number: A121H231 Waterproof leather upper with seam-sealed waterproof membrane for abrasion resistance and a dry foot environment. Composite safety toe was constructed on a TiTAN last for nonmetallic protection and a superior fit. Dual-purpose top hardware for easy lacing adjustability. Padded top collar and tongue for added comfort. 200 grams of insulation for added warmth. Dual-density dynamic Anti-Fatigue technology absorbs shock and returns energy at key zones of the foot. Nylon shock-diffusion plate for support and torsional rigidity. Lightweight tri-density PU midsole for flexibility and cushioning. Cold formula thermoplastic urethane (TPU) outsole features deep lugs for traction and is slip, oil and abrasion resistant. Oil-resistant sole tested for volume swell using EN345 TMP ASTM fuel A 7 Diesel ISO 1817 liquid F for 22 hours and ASTM IRM903 and fuel B for 46 hours. Nonmagnetic and nonmetallic composite safety toe resists corrosion and meets ASTM F2412-11/F2413-11, I/75 and C/75 impact and compression safety standards. ASTM F2412-11/F2413-11 and F2892-11 rated for Electrical Hazard (EH) protection against open circuits. Imported. Measurements: Heel Height: 1 3 4 in Weight: 3 lbs 2 oz Shaft: 6 in Product measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.