Sport-Tek PosiCharge Active Textured Polo. ST690Subtle texture adds character without sacrificing breathability or snag resistance, while PosiCharge technology preserves colors and logos., 4-ounce, 100% polyester mesh with PosiCharge technology, Tag-free label, Self-fabric collar, 3-button placket with dyed-to-match buttons, Set-in, open hem sleeves, Side vents