NuDown Men's Squaw Peak Jacket 100% Nylon Made in the USA and Imported Adjustable warmth, via NuDown's proprietary Variable Insulation Technology, empowers you to be precisely as warm as you want to be Add air to add warmth or release air to cool utilizing the pocket hand pump and release valve, also creating a supportive, athletic fit 100% mechanical stretch nylon 80/20 DWR shell, Polartec Powershield w Micro Grid Fleece w pit zips, Primaloft Gold insulation in hood, collar, sleeves Ski pass, upper sleeve, chest audio and inside stash pockets, double-slider waterproof YKK zippers w garages, adjustable draw cords, removable hood Indefinitely loft retaining, eco-friendly alternative to down feathers, wicking bamboo/charcoal mesh liner, thumbhole cuffs, limited lifetime warranty