INSULATION: 100 gsm in body and 60 gsm in sleeves.100% polyester microfibre twill, 3.4 oz./yd2/115 gsm. LINING: 100% polyester brushed tricot in body. Features Include: storm flap with snap closure at bottom; brushed tricot-lined collar and chin guard; centre front autolock zipper with reflective toggle; roll-away hood; elasticized cuffs; lower brushed tricot-lined concealed zippered pockets; thermal retention shockcord at hood and drop back hem; audio port access through inside left pocket; reflective piping at shoulder yoke and centre back yoke