The pattern inside the fabric returns infrared energy to your body, boosting localized blood flow & increasing the amount of oxygen reaching your muscles to restore your muscles faster. UA Storm technology repels water without sacrificing breathability while the lightweight stretch-woven fabric is tough but breathable. 4-way stretch fabric moves better in every direction, wicks sweat and dries really fast. The adjustable hood with stand up collar construction provides extra coverage & comfort. Open hand pockets allow for easy storage and the elastic cuffs & hem create a comfortable and practical fit.