UA Microthread technology in the fabric dries faster, won‘t cling to you, won‘t chafe & stretches without absorbing sweatMaterial wicks sweat & dries really fast4-way stretch construction moves better in every directionDropped armholes & classic racer back design for extra mobility & range of motion Dropped, shaped hem for enhanced coverageReflective logos deliver greater visibility on low-light runsJacquard back detail50% Polyester/50% ElasterellImported