Product DNA What's It Do? This groundbreaking baselayer has been tested and proven to improve strength and endurance. Seriously. The way it works is that the mineral-infused fabric absorbs the energy your body emits and reflects it back into your tissues and muscles. That means your muscles can work harder. And you get better. The Fundamentals Fitted: Next-to-skin without the squeeze As your body emits energy, the mineral-infused fabric absorbs & reflects it back into tissues & muscles, improving endurance & strength Mesh insets on side hem for added breathability Modified raglan sleeve & low profile collar construction Powered by Celliant Imported