adidas Performance Men's Climachill Polo 100% polyester double knit Imported Flat Fiber Material With Titanium Core Increases Breathability By Two-Times The Competition Climachill For Premium Ventilation, Moisture Management, And Cooling Effect Revolutionary Soft And Lightweight Fabric With Amazing Cooling Performance And Drying Time Metallic Cool Zone 3D Metallic Execution At Back Neck For An Additional Cooling Effect