Heading out for a run in the cooler weather? Made from a polyester blend material, the Core Hybrid jacket is the perfect accessory to keep you toasty in the chilly temps. It features a full-length front zipper and two front pockets to hold your essentials, along with reflective logo detailing. Core apparel was made to deliver peak performance on every run. Keep an optimal core temperature throughout your run, no matter how low the mercury drops.