LINING: 95% polyester, 5% acrylic; INSULATION: 40 gsm; 100% cotton canvas, 10.5 oz./yd2/356 gsm with water resistant; COLLAR: 100% cotton corduroy; UTK 1 temperature range:; 41°F to 9°F / 5°C to -13°C; Large lower front cargo pockets for ease of access; Upper security outer pocket; Lightweight insulated sleeves; Blanket lining inside front and back; Triple topstitching for extra reinforcement on outside seams; Extra large brass front zipper;