Harriton men's poly-tech polo. 4-oz, 100% polyester. Anti-microbial, anti-static, anti-odor and UPF 50. Side-seamed with set-in sleeves with open hem. Double-needle topstitch on bottom hem and side vents. Clean-finished inside neck with self-fabric neck tape. Proven to absorb, wick and evaporate. Quick drying and breathable. Three-button placket with flat-knit collar. Harriton has packed this shirt with high-tech features.