Burton Boy's Uproar Jacket Membrane: 100% Polyurethane, Shell: 100% Polyester; Taffeta - 100% Nylon; Tricot: 100% Polyester Imported Room-To-Grow System Waterproofing: [5,000MM, 5,000G]^WARMTH: mapped with Thermacore Insulation [80G Throughout] and Taffeta Lining Critically Taped Seams Fulltime Drop Down, Helmet-Friendly Hood with Expandable Hood Gaiter Waterproofing: [5,000MM, 5,000G] WARMTH: mapped with Thermacore Insulation [80G Throughout] and Taffeta Lining Critically Taped Seams Fulltime Drop Down, Helmet-Friendly Hood with Expandable Hood Gaiter