Go for the freeze in this long-sleeve shirt, featuring cooling that's activated by your own sweat! Perfect for harsh heat conditions where you still want coverage.

• Omni Freeze ZERO technology cools the knit fabric.
• Wicking tech keeps you cool and dry.
• Ultraviolet Protection Factor of 50 guards your skin from the sun's harsh radiation.
• Sewn-in underarm gusset for mobility, cooling.
• Anti-odor prevents unwanted aromas.
• Flat-lock seaming prevents chafing.

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This Columbia Men's Coolest Cool Long Sleeve Top is part of the Columbia Omni-Freeze Zero collection.
 

The Columbia Men's Coolest Cool Long Sleeve Top AM6580 becomes colder when in contact with sweat. Wicks moisture and keeps odors at bay. Columbia's Men's Coolest Cool Long Sleeve Top keeps you cooler in extreme heat and humidity.