The best of two hard-working worlds, this lightweight FR Flex Knit combines the crisp, professional look of an office work shirt and the comfort of your favorite T-shirt. Spandex-blend fabric and side seam gussets allows it to stretch freely without coming untucked. Two reinforced chest pockets with button flaps allows convenient storage. Easy-to-spot CAT 2/2112 label on the left sleeve leave no question that you're protected on the job site.