Men's FR Air Inherent Work Shirt -10055218CAT 2 Rated Arc 9. 1 cal cm2 rated Meets NFPA 70E requirements Meets NFPA 2112 requirements Greater Arm Mobility lets you move freely Moisture Movement Technology helps keep you dry Sun Protection Fabric gives you UV coverage A generous fit that gives you room to bend, reach, and lift, with a longer hem that stays tucked in 5 oz Ultralight Westex DH Air Twill Featherlight fabric lives up to its name, giving you a barely there feel 47% Lyocell, 38%