CONSTRUCTION: Ultra warm, durable polyester/nylon shell with Premium 3M Thinsulate Water-Resistant Insulation (250g body/200g sleeve) WATERPROOFING: 10,000mm/10,000g/m² windproof, waterproof, breathable performance utilizing Ven-Tex 2.0 laminated membrane construction. DWR (durable water resistant) treated outer shell surface repels moisture Manufactured by Castle X POLAR Jacket Critical seams sealed Comfort-Flow polyester mesh lining Mapped heat reflecting internal panels increase core body comfort Backpack friendly Ventec 2-way core vents with snow blocker mesh Integrated goggle wipe in left sleeve key pocket Max visibility 3M Scotchlite Reflective materials (chest/sleeves/back) Internal cap pocket and chest storage pockets Fleece lined insulated shock cord adjustable collar with chin saver placket Wind blocking magnetic/snap front placket YKK zippers Water resistant zippers on pockets and vent Internal Lycra hand gaiters Fleece lined Velcro adjustable cuffs Removable zip-out stretch powder skirt Shock cord adjustable hem Drop-back design 2 Tether D-Rings on bottom hem