A lightweight stretch running jacket offering waterproofing and breathability. This windproof piece packs easily into its pocket making it an essential accompaniment to any run. Expertly crafted, this jacket incorporates a 2.5-layer construction with fully taped seams and stretch fabric. Whether pounding the city streets or tackling hills, the Ultralite has you covered. Packable Highly Waterproof (8,000 mm) Highly Breathable (16,000 mm) Fully Taped Seams Stretch Fabric Windproof Adjustable hood with wire peak Lined with a 2.5-layer construction Lightweight Two Front Zipped Pockets PFC & PFOA Free