Ultra tough polyester/nylon shell with 3M Thinsulate Original Insulation (100g body/80g sleeve) and a removable liner (100g body/80g sleeve). Overall insulation weight combined (200g body/160g sleeve). 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. Critical seams sealed, Ventec 2-way core vents with snow blocker mesh, and Comfort-Flow polyester mesh lining. Wind blocking magnetic/snap front placket. Internal Lycra hand gaiters. Zippered internal cap pocket plus dual Spandex storage pockets. 3M Scotchlite Reflective materials. Double stitched seams, Insulated fleece lined collar, Fleece lined Velcro adjustable cuffs, Internal powder skirt, Shock cord adjustable, and Tether D-Ring.