Nikwax Down Proof SKU: NIK241 Add water repellency to down and shell fabrics of down-filled items. US$12.00 Back US$12.00 Quantity Add to Cart Details DetailsBackDetailsThis wash-in treatment protects down and down-filled clothing and sleeping bags. Details:Treatment is washed into materialAdds water repellencyUse for down and shell fabrics of down-filled products10 fl oz / 283.5 g