Thanks to our ultra-fine flat back RacerMesh this polo has unparalleled breathability for superior cooling. PosiCharge technology locks in color and keeps logos crisp-making this value-priced essential a fan favorite all season long.3.8-ounce 100% polyester flat back mesh with PosiCharge technology Gently contoured silhouette Tag-free label Self-fabric collar Open placket Set-in open hem sleeves