Stretch fabric is lightweight, breathable, durable and moves with you. Adjustable hood with drawstring to keep it in place while running. Front kangaroo pocket with zipper and mesh pockets for gels, keys or other small items. Secure zip pockets on the hands. Jacket adjustment on the inside of the side seam to secure the jacket while running. Reflective drawstrings, zip pullers and elastic cuff hems ensure visibility when running or hiking in poor light.