Granger Down Care Kit ( Down Wash & XT Waterproofer) All Grangers apparel treatments have been specifically formulated to perform effectively at 30c. At this temperature the consumer makes an energy saving of approximately 40%. Granger's proofers can resist 10+ detergent washes. This highlights the durability of the finish meaning less applications resulting in significant energy savings Our technologies provide superb stain resistance with no loss of breathable performance Granger's fluorocarbon treatments provide the most water repellent, durable finish to the consumer's apparel and footwear. For All Natural & Synthetic Down Outerwear, Sleeping Bags, Comforters & Pillows