CONSTRUCTION: Ultra tough polyester/nylon outer shell with 3M Thinsulate Original Insulation in the outer shell (100g body/80g sleeve) and in the removable liner (100g body/80g sleeve). Overall insulation weight (200g body/160g sleeve) WATERPROOFING: 5,000mm/5,000g/m² Ven-Tex 2.0 windproof, waterproof, breathable coated shell materials and DWR (durable water resistant) outer surface treatment repels moisture Manufactured by Castle X Code G2 Jacket Critical seams sealed and Comfort-Flow polyester mesh lining Ventec 2-way zippered core vents with snow blocker mesh Velcro adjustable cuffs with internal Lycra hand gaiters Wind blocking magnetic/snap front placket Zippered internal cap pocket plus dual Spandex storage pockets Double stitched seams, fleece lined cuffs and insulated collar 3M Scotchlite Reflective materials Removable hood Internal powder skirt & Tether D-Ring Drop-back design with shock cord adjustable hem