You work hard and need protection from the possibility of flames on your job site. Walls got you covered. Walls FR pull on this Long Sleeve Crew to keep sparks and flames at bay. It's 2112 UL certified and has an HRC Level 2 rating. That's serious protection for a casual crew. The 7oz. 100% cotton knit shell keeps it comfortable, even when you're working the toughest job. Material: Cotton.