NIKE Men's Impossibly Light Running Jacket, White/Black Ultralight nylon fabric weighs just three ounces, helping to reduce distractions while offering lightweight coverage on outdoor runs. The DWR (durable, water-repellent) finish offers wind and water resistance to help protect against the elements. This jacket is designed to pack into its chest pocket for convenient storage on the go. A hand strap allows for easy carrying while moving. Running-specific hood for coverage without limiting visibility Cordlocks at hem for an adjustable fit