New Balance Light Packjacket Men's Running Apparel Dark Neptune : Perfect for race day or anyday, the New Balance Light Packjacket is ultra-lightweight and absolutely packable. The lightweight ripstop shell material includes a DWR finish to provide both wind and water-resistant technology making it excellent for trekking and travel. Features bio motion reflective accents. Soft, elastic cuffs provide extra security. Includes a packable chest pocket to store the entire jacket.