88% cotton / 12% nylon Quick Duck® canvas 150 gram 3M™ Thinsulate™ Platinum FR Insulation for warmth Meets the performance requirements of NFPA 70E UL® classified to NFPA 2112 Quick Duck® weighs less but is ounce-for-ounce as tough as our legendary sandstone duck Full Swing® was developed with insight from our Carhartt Crew, a group of hardworking folks who wear our gear on the job day in and day out and let us know what they really think All Full Swing® gear is built broken-in to help you move like you mean it 24/7 and features stretch across the shoulders, arms that move free without the jacket riding up, and bigger bend in the elbows Rain Defender® durable water repellent (DWR) keeps you dry and moving in light rain Brass zip front with Nomex® FR zip tape; Inner and outer protective flaps with snap closure for electric-arc protection Internal rib-knit storm cuffs with ergonomically shaped sleeve hems help keep out the cold Specs Fabric:   88% Cotton / 12% Nylon Quick Duck Canvas