A great way to rejuvenate and keep your down goods going, the Grangers Wash+Repel Down 2 in 1 is a simple and easy wash additive that does exactly like that. The cleaning agent helps add water repellency as well restoring color and loft in your down insulation. If you have a puffy or sleeping bag that's lost its lust a little, this small bottle is a great way to bring it back to life.