10 oz/yd2 FR PVC/polyester that meets CGSB 155.20-2000, Type 3. Recommended for “Momentary Protection from Open Flame” and resistant to chemicals as per ASTM F739-07. RF welded watertight seams. V2241740 StarTech® FR reflective tape with dolman sleeves for ease of movement and added comfort. Snap front closure. Generous styliing fits over work clothes.