FR MATERIALS: 8.5 oz flame resistant Cotton dura canvas(water repellent and stain resistant finish) + lining 11oz permanent FR Modacrylic Cotton Fleece. Flame-retardant brass zipper; fire-resistant buckles.Inner pocket and chest security zipper pocket. FUNCTIONAL DESIGN: Lighter but still warm enough compared with heavyweight insulated jackets. Windproof rib-knit cuffs and waistband, movable arm and back design for enhanced mobility and comfort, double-layer reinforced elbows for extra durability, adjustable hood buckles, two hand-warmer pockets with snap closure ENSURE SAFETY AT WORK: This FR pullover hoodie is designed to deliver protection in hazardous work environments. Made from UL-certified flame-resistant fabric, it complies with NFPA 2112 standards and meets or exceeds requirements for HRC 3 with an Arc Rating of ATPV 27 cal/cm². It is also compliant with NFPA 70E, ASTM F1506, and classified as CAT 3, ensuring reliable safety for workers facing flash fire and arc flash risks. LONGER USE TIME: Our hooded jackets have the appropriate level of protective gear and stay enforced up to numerous washes. However, it is recommended to flame resistant fabric machine wash 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: These FR zipper hoodies are designed to meet the demands of multiple industries, including construction, welding, oil & gas, and more. Available in a full range of sizes, each hoodie offers a secure and comfortable fit for all body types. At the same time, it provides reliable protection and support for demanding and hands-on work.