This is the down used by the best in the outdoor industry. Developed in conjunction with The North Face®, HyperDRY™ water resistant down is built upon years of research and development to outperform all other down on the market across the entire range of fill power. HyperDRY™ employs a proprietary nanotechnology water resistant coating that is invisible and does not compromise the texture or color of the finished down. The end result is a superior down fill for your gear/project. From outdoor industry giants to the smallest cottage vendors, HyperDRY™ is quickly becoming the choice for high-end down gear such as quilts, jackets, and sleeping bags. Choose it for your next project. *Sold in 3 ounce increments. Please enter the number of 3 ounce packs you want in the quantity box up top. For example, if you want 9 ounces total, enter "3" in the quantity box. Product Details Manufacturer Allied Feather and Down Down Type 100% Grey Goose Down Fill Power 850 FP Treatment Proprietary water resistant treatment Ordering/Shipping order-change-title order-change-desc cont-cut-policy-title cont-cut-policy-desc Shipping Availability USA and International Shipping Method/Rates shipping-summary Estimated Delivery Date estimated-delivery