The organic ceramic print inside the fabric returns infrared energy to your body, increasing localized blood flow and increasing the amount of oxygen that allows your muscles to regenerate faster. UA Storm1 technology repels water on the surface without compromising breathability. Lightweight and stretchy fabric that is also breathable. Seamless construction on the shoulders. Elastic hem with drawstring and elastic cuffs on the sleeves. Wider collar with elastic drawstring. 4-Way Stretch production allows for greater mobility in any direction. Open pockets for your hands and your small items. Products with Celliant have been designated by the FDA to increase local circulation, leading to faster recovery. Under Armour logo and lettering on the front. Material: Polyester / Elastane.