OUTER JACKET: 3.5 oz/ydsq, 119 gsm, 100% nylon taslan; Contrast nylon dobby trim; Polyester mesh lining in body, taffeta in sleeves; INNER JACKET: 9 oz/ydsq, 315 gsm, 100% polyester fleece; Polyester taffeta lining;UTK 3 temperature range:; 30degreeF to -9degreeF / -1degreeC to -23degreeC; Shell warmth attributes:; Storm flap with security zippered pocket; inside placket; Thermal retention shockcord at hood, waist and hem; Zip-off or roll-away hood; Matching nylon taslan pocket welts and waistband; Inner Jacket has shockcord at hem;