Sport-Tek Ladies PosiCharge RacerMesh Raglan Heather Block Polo. LST641This moisture-wicking polo combines solid and matching tonal heather RacerMesh fabrics for a truly modern team look., 3.8-ounce, 100% polyester flat back mesh with PosiCharge technology, Solid self-fabric Johnny collar, Tag-free label, Open placket, Heather RacerMesh front and back body, Solid RacerMesh sleeves and placket, Raglan, open hem sleeves