Lightweight, disposable secondary flame-resistant overgarments designed to help protect and preserve primary flame-resistant garments Provides an ideal balance of protection, durability, and comfort In the event that a flash fire occurs, Tyvek® 400 SFR garments won't ignite and won't contribute to additional burn injury if appropriate primary flame-resistant personal protective equipment is worn beneath Composed of flash spun high density polyethylene breathable nonwoven Tyvek® fabric that has been flame-retardant treated Offers an inherent barrier against particles (down to 1.0 micron in size) Relaxed-fit coverall design features a diamond gusset crotch to allow for unrestricted movement and optimal fit when wearing primary flame-resistant protective clothing beneath Patent-pending design features red external stitched seams, red zipper, and red chest patch border Open wrists Open ankles Storm flap Layflat collar Colour White Material Tyvek® 400