FR MATERIALS: BOCOMAL zipper hoodie is made from 10.5 oz cotton knit FR fabric with a water-repellent and oil-resistant finish.Sewn with flame-resistant aramid threads and a fire-resistant aramid zipper brass.Clear FR label on the pocket and UL certification tag on the inseam.Detailed FR info printed inside, plus a small fabric sample included for customers to test flame resistance. FASHION AND COMFORT: A must-have new pattern style for your FR workwear collection, increasing the fashion sense of workwear. Designed with a 3-piece lined hood for a better fit, windproof mock neck, adjustable drawstrings, a classic kangaroo pocket for hand warmth, and an inner pocket for storage. ENSURE SAFETY AT WORK: This hoodie meets or exceeds HRC 2 standards with an Arc Rating(ATPV)of 21.0 cal/cm².UL certified to comply with NFPA 2112, NFPA 70E, and ASTM F1506 standards, ensuring dependable protection against arc flash and flash fire. MORE USE TIME: Our hoodies have the appropriate level of protective gear and stay intact through numerous washes. However, it is recommended to machine wash flame-resistant fabric warm at a temperature below 165°F(76°C). You can wear and wash it over and over again for up to 100 times before FR still works. MULTI-USE: Made for welders, fitters, ironworkers, electricians, and other industrial workers, even at home. It can be used for all kinds of industrial and construction work. Our workwear protects you every day and helps you do heavy work.