INSULATION: 140 gsm in body and 120 gsm in sleeves; 100% polyester stretch pongee, 3.6 oz./yd2/122 gsm; LINING: 100% polyester fleece in front; 100% polyester taffeta; UTK 3 temperature range:; 26°F to -16°F / -3°C to -27°C; warmth attributes:; fully seam-sealed waterproof shell; zip-off adjustable thermal hood with back shockcord adjust system; thermal fleece-lined collar & fleece chin guard; storm flap with metal snap closure; zip-off snowskirt with gripper elastic; brushed tricot lined pockets ; thermal retention shockcord at hood and hem; laser welded chest and sleeve pocket decoration