Whether it's zipped up to its scuba-style hood, conveniently strapped to your hand with its built-in elastic bands or completely forgotten in the corner of your hydration vest, the Skyflow Wind Jacket is designed for adaptability in fickle conditions. Made of light-but-tough Aeroshell material, it's water-and wind-resistant and built to take the knocks of trail life. And with its streamlined, minimalist design, it packs into its own pocket for easy storage. Aeroshell material with 5K/5K water-resistant and breathability rating. Elastic binding at hood, cuff and hem. Zip chest pocket. Packs into chest pocket. Elastic straps for hand carrying. HOKA Women's Sky Flow Wind Jacket in Black, Size Medium