PosiCharge technology helps preserve colors and logos in a mesh that wicks moisture, resists snags and controls odors. 4-ounce, 100% polyester double mesh with PosiCharge technology Partially made from recycled coffee grounds Contrast neck taping Tag-free label Flat knit collar 3-button placket with dyed-to-match buttons Triple-needle yoke and armholes Set-in, open hem sleeves Side vents