Insulated with thinsulate to keep you warm on the mountain, but also has strategically placed vents to ball out heat when you"re heating up Key Features of the Oakley Goods Insulated Snowboard Jacket: 10,000mm Waterproof10,000g Breathability Thinsulate Fill 80gCritically tapedBasic hood systemRemovable hoodNon-Removable storm skirtStrategic ventsStorm flap with Velcro & snapBottom hem with draw cordRegular fit100% Polyester