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 Elastic opening for tighter fit at wrist Elastic opening for tighter fit at ankle Storm flap Attached standard-fit hood with elastic around face opening Colour White Material Tyvek® 400