ProShield® 6 SFR is a Lightweight, disposable overgarment designed to help protect and preserve primary flame-resistant garments. It provides a barrier against non-hazardous particles and aerosols while not contributing to burn injury. ProShield® 6 SFR garments won't ignite and continue to burn when exposed to a flame source. They are flame retardant treated, not inherently flame resistant and are intended to be worn over your primary flame resistant garments. Laydown collar. Open wrists. Open ankles.