Stay cool and dry when the pressure is on in our cotton copper undershirts- your first layer of defense. Worn alone, or under a shirt, our everyday copper cotton, provides non-restrictive compression and support, without riding up. designed in our proprietary copper energy technology for moisture wicking capabilities, anti-odor benefits and game changing breathability. Our 4-D Pima cotton stretch fabric, tailored with soft, flat-lock seams for ultra- comfortable wearable compression. Be in control of your comfort and relief all day, every day.