The Fabric Treatment has been discontinued. If you're looking for something new, check out the best fabric cleaners/treatments for 2020.
Vargo Outdoors says:
Nikwax Waterproofing for Textiles adds water-repellency to various fabrics. Features: Polar Proof: For synthetic & wool insulated clothing Down Proof: For down and shell fabrics of down-filled bags & clothing TX Direct Wash-In: Restores DWR to waterproof/breathable laminates Cottonproof: Restores water-repellency and revitalizes the color of waxed cotton fabric Softshell Proof: Restores DWR to soft-shells while maximizing breathability TX Direct Spray-On: Ideal for shells with liners and large items such as tents
Historic Range: $6.50