MWG’s (FR) EVOLUTION fabric is heat sealed with FR silver segmented tape to create the ultimate work t-shirt. Fire-resistant and high-visibility features allow for use in all industries. The comfort is unmatched, integrating a generous fit and a lightweight, soft fabric to provide the same feel as your favorite tee. This arc-rated t-shirt is built for the heat, serving workers from all across Canada to South America. Handle the heat in our lightweight and breathable FR T-shirt.