It's a micro shell for your microfibers and other synthetic middle layers. No odor or residue!

Formulated for fleece microfibers Gore-Tex® eVENT and just about any other waterproof/breathable membrane on the market Granger's Spray-On Waterproofing for Synthetic Fabrics takes outerwear stain and water resistance to a new level of unsurpassed performance. The convenient spray application is easy to apply and won't leave a residue or chemical odor on your hiking climbing and backpacking gear. Granger's specifically developed their Spray-On Waterproofing for Synthetic Fabrics for technical all-in-one jackets with knitted liners so you can count on consistent breathable comfort no matter how wet things are on the outside.

Buy the Granger's Spray-On Waterproofing for Synthetic Fabrics at Altrec.com. Orders over $45 qualify for free shipping.