down-proofer
down-proofer, Wet down is worse than no down at all. After time, your waterproof down garments lose their water repellent properties. You can tell when an item is in need of reproofing if water no longer pools in drops on the exterior face of your garment. Storm Eco Down Proofer was made to restore your garments water repellency and maximize loft. Re-proofing with Storm Eco Down Proofer can be done at home, and its designed to be used in the same wash cycle as the Storm Down Wash saving you time, water, and energy. This proofer is also PFC free. After wash, tumble dry on low until garment is completely dry.