We are the only company in the U.S that makes a fully sublimated base layer. The Land Shark Coolbreeze Signature Base Layer is made with our Cool-Net Extreme Airmax base layer technology fabric made in Italy. This uniqe fabric is only 80gms and provides a soft feel with maximium cooling; you will barely notice you are wearing it. No need for plain white or black base layers when you can have this matching quality piece.