When temperatures drop, get out and get your heart rate up with the men’s NB Heat Quarter Zip. This cold weather companion is cut from poly/spandex fabric with a stretch woven chest pocket that stores essentials on days when your workout turns into an errand run. It’s lined with NB Heat gridded fabric to provide exceptional heat retention. Meanwhile, 360° reflectivity ups your visibility to help you stay seen during early morning or nighttime runs.