The work day may be long and cold, but the Avenger A7573 Composite Toe boot will keep you comfortably supported and protected so you can perform at your best no matter the challenge. Full grain leather upper. Work boot with lightweight carbon nanofiber composite safety toe cap that is 50 percent less than a traditional steel safety toe cap and 40 percent less than a standard composite toe cap. Abrasion-resistant bumper toe for added protection. 600g Thinsulate insulation for maximum warmth and protection against the cold. Waterproof membrane keeps out the wet elements for a drier, more comfortable foot environment. Flex-welt construction for excellent durability and flexibility. Traditional lace-up system with fabric laces for a secure fit. Breathable textile lining for a comfortable fit. Removable dual-density PU insole with added cushioning for extra support and comfort. Puncture-resistant Lenzi midsole plate reduces the hazards of puncture wounds caused by sharp objects penetrating the outsole. 90 degrees heel for greater safety and stability. Carbon Nanofiber Composite safety toe meets or exceeds ASTM 2413-11 I/75 C/75 impact and compression specifications. Meets ASTM 2413-11 Section 5.5 and ASTM F2892-11 Section 5.2 specifications for EH (Electrical Hazard) safety. Mark II slip-resistant test results: SR Wet / 0.71, SR Oily / 0.35, SR Oily Wet / 0.32. Durable nitrile rubber outsole is oil and slip resistant. Imported. Measurements: Weight: 2 lbs 5 oz Shaft: 8 in Product measurements were taken using size 11.5, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.