Take on any challenge with this fully-lined, weather-ready half zip. Crafted from breathable wind- and water-resistant material, this half zip is waterproof to a 10,000 mm water column and breathable to 5,000 g/m2/d. The self-fabric mock with chin guard benefits from unique contrast piecing, while the exposed contrast zipper, contrast piecing at the sleeves and side panels. 100% polyester. This item is official licensed merchandise of Mack Trucks, Inc.