HRC 1 flame resistant clothing is generally appropriate for low-risk workplaces and has a required minimum Arc Rating of 4 PPE cal/cm2. Our Category 1 clothing is from well-known FR brands such as Bulwark and Carhartt, and can be customized with logos, names, and other decorations. Choose below from a variety of FR workwear products - such as t-shirts, work shirts, lab coats and coveralls - and begin designing your Category 1 uniforms today.