Down Duo

Down Proof  Specialty waterproofer designed to protect the insulating properties of down-filled gear from wet and damp conditions. Easy to use in the washing machine or by hand, non flammable and PFAS free. For waterproofing down Easy to use wash-in waterproofing for all down clothing and sleeping bags. Adds water repellency and revitalizes insulation. Enhances the performance of your down gear, keeping you warmer and drier. Recommended for Nikwax Hydrophobic Down, Hydrodown™ and all other down clothing and sleeping bags. Down filled items are used to provide lightweight insulation to keep you warm. The structure of down allows air to be trapped between its filaments and warmed by body heat to provide insulation for the user. If down gets wet it clumps together. This causes it to lose loft and insulation as it can’t trap air effectively. When wet, down loses all of its insulating properties, as water conducts heat away from the body up to 25 times faster than air. It will als