Clinch match point in this men's tennis polo shirt from Original Penguin. The lightweight single knit fabric is designed with a hint of stretch so you can move freely on the court. Made from 35% recycled polyester, this eco-friendly tennis shirt features short sleeves and a rib collar for a textured accent.. 51% Polyester / 35% Recycled Polyester / 14% Elastane. Single Knit Fabrication Creates A Lightweight Material That Is Flexible And Comfortable. Original Penguin Logo. Short Sleeve. Machine Wash According To Instructions On Care Label