Enhance Your Down Gear's Performance Nikwax Down Proof is a high-performance wash-in waterproofing solution designed specifically for down-filled clothing and gear. It adds Durable Water Repellency (DWR) to both the outer fabric and down fill, protecting against rain and condensation. This treatment maintains the insulation and breathability of down items, ensuring optimal performance in cold and damp conditions. Easy to apply in a washing machine, it prolongs the effective life of your down gear. Features Adds Durable Water Repellency (DWR) to down-filled items Maintains insulation and breathability in cold and damp conditions Prolongs the effective life of down gear Easy application in a washing machine Environmentally friendly; water-based formula Specifications Application: Machine wash or hand wash Suitable for: Down-filled sleeping bags and clothing Packaging: Made from 100% recycled plastic, recyclable in Australia