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; 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 back side panels;