130 gsm – 3.8 oz./yd² – 6.5 oz./lin.yd 100% nylon twill with wind resistant and water repellent finish. Insulation: 220 gsm body, 170 gsm sleeves 100% polyester. Acrylic soft pile collar, zipper fly front, shoulder epaulettes, sleeve pencil pocket, and acrylic knit waistband.