Grey Heather Zero Rules Polo T-Shirt

• The Columbia Zero Rules short sleeve polo has Omni-Freeze ZERO technology.
• An inner fabric that consists of blue circles that react with perspiration and reduce the temperature of the fabric so that its user feels fresh.
• In addition, it also includes the Columbia Omni-Shade sun protection.
• The transpiration of the pole is very fast thanks to Omni-Wick technology.
• Omni-Wick technology
• Omni-Shade solar protection 50 UPF
• Omni-Freeze ZERO that is activated with sweat
• Antimicrobial treatment that prevents bacterial proliferation
• 100% polyester fabric