Bundle up in this next-level puffer. Engineered with maximum down insulation and water-repellent fabric, its our warmest option in the Swoosh Series Collection. Weve added fleece-lined cuffs and bungees at the hood and hem so youre ready to cinch out the cold. Insulation level:warmest:The maximum insulation uses Nike Therma-FIT technology, which manages your bodys natural heat to help keep you warm in harsh weather.,Rain-ready:Water-repellent fabric helps you stay dry in light rain.,About the Swoosh Series:This puffer is part of our Swoosh Outerwear Series that lets you choose your warmth level by the size of the Swoosh design. A smaller Swoosh pattern means lighter-weight warmth, whereas larger Swoosh-shaped baffles mean more insulation.