Columbia Zero Rules short sleeves t-shirt

Made for your most dynamic aerobic activity, this technical shirt beats the heat with our sweat-activated cooling technology.

Ultra-wicking, cooling fabric manages sweat by reacting with your sweat to lower the material’s temperature.

Features

• Omni-Freeze ZERO™ sweat-activated super cooling
• Omni-Wick™
• Modern Classic Fit
• Comfort stretch
• This product incorporates an antimicrobial treatment intended to protect the product from bacterial growth. The active biocidal substance is: pyrithione zinc.
• Center Back Length: 28.0"
• Uses: Trail Running, Trail-Running / Training
• Composition: 100% polyester ZERO interlock
• Active Fit is the most generous fit for a full spectrum of movement.