The Columbia Coolhead III Zero Boonie Hat in dark stone is made of 100% recycled polyester. This boonie ensures total sun protection with its Omni-Shade Broad Spectrum UPF 50 sun protection, Omni-Freeze ZERO sweat-activated super cooling system and Omni-Wick sweat-wicking band to keep you feeling cool and dry when temperatures rise. The packable neck flap means you can easily adjust your level of sun protection depending on the weather.

Hat Details:

• Shell made of 100% recycled polyester
• Lining made of 89% polyester, 11% elastane
• Columbia logo embroidered on the front toward the left
• Omni-Freeze ZERO sweat-activated super cooling technology
• Omni-Shade Broad Spectrum UPF 50 sun protection
• Omni-Wick technology
• Pocket with unfoldable neck flap
• Adjustable chin strap
• Brim measures approximately 9cm wide

Hat Sizing Info:

1-Size – Adjustable drawstring and toggle at the back allows this hat to fit from 56cm to 61cm comfortably