The Roxy Girl's Jet Girl Insulated Jacket is made from polyester printed micro twill with embossed taffeta lining. Dependable warmth comes from the 160 grams of insulation. Zipper closed mesh lined venting allows you to quickly release heat. Additional details include a fixed hood, a sleeve pass pocket, a powder skirt, and internal lycra cuffs. 100% polyester printed micro twill.