Ladies' Cool & Dry 8-Star Elite Performance Interlock Polo4.5 oz., 100% polyester; Anti-bacterial; Anti-static; Moisture-wicking; Pill-resistant; Snag-resistant; Stain-resistant; UPF 50+ protection;flat-knit collar; 4-button clean-finished placket with dyed-to-match buttons; neck tape; double-needle sleeves and curved bottom hems;