Columbia's Coolest Cool™ Short Sleeve Top delivers all the comfort and functionality you need to perform your best despite sweltering conditions: Omni-Freeze ZERO™ capitalizes on the sweat your body produces to keep you cool, concentrating the temperature-lowering agent super close to your skin for deep and prolonged cooling; Omni-Wick™ transfers moisture away from the body and enables perspiration to evaporate quickly, keeping you dry and comfortable all day; Omni-Shade™ protects you from damaging UV radiation by blocking both UVA and UVB rays, helping to prevent sun burn and long-term skin damage.
• Omni-Freeze ZERO sweat-activated cooling.
• Omni-Shade UPF 50 sun protection.
• Ergonomic , flat lock seaming.
• Material: OMNI-FREEZE ZERO, OMNI-WICK and OMNI-SHADE: 91% polyester/9% elastane pinhole mesh