Sport-Tek PosiCharge Micro-Mesh Colorblock Polo. ST685Polos with extra color panels that are made to last thanks to PosiCharge technology. They also wick moisture and resist snags and odor., 4-ounce, 100% polyester double mesh with PosiCharge technology, Partially made from recycled coffee grounds, Self-fabric collar, Contrast neck taping, Colorblocking at the shoulders, sleeves and sides, Tag-free label, 3-button placket with dyed-to-match buttons, Raglan, open hem sleeves