The HeatGear Sonic Fitted Shortsleeve Tee is the evolution of performance.  Its superior 4-way stretch fabrication allows for optimal performance without restriction.  This shirt has anti-odor technology that helps keep your gear fresher, longer.  It also features smooth flatlock seams that grant the wearer a full range of motion without chafing, an updated mesh-knit jacquard neck and locker tag.  Evolve your performance today.