The 40 cal ArcGuard Performance arc flash kit provides protection head to toe. Arc Rating: 41 cal/cm². CAT 4. Fabric/Material: 9.5 oz GORE® PYRAD®. Up to 20% lighter, 48% thinner, & 56% more flexible than other premium arc flash suits. Single layer 40 cal arc flash protection. Using GORE® PYRAD® comfort science to keep the wearer cool, dry, comfortable and unrestricted while working. Ergonomic design for ease of movement and flexibility. Covered zip front closure with large pull tab. 26" leg zippers for easy donning & doffing. PureView™ faceshield technology features a greater range of visibility. Made in the USA.