Columbia Coolhead II Zero Boonie Hat: Your Ultimate Heat-Beating Companion

When relentless sun threatens to derail your adventure, intelligent protection becomes non-negotiable. Engineered for explorers who refuse to compromise, this UPF 50-rated boonie hat delivers scientifically advanced sun defense while actively cooling you down. Columbia’s breakthrough Omni-Freeze ZERO™ technology reacts to your sweat, creating an instant cooling sensation exactly when temperatures soar—transforming discomfort into pure momentum.

Why This Hat Outperforms:
✅ Smart Cooling System: Omni-Freeze ZERO™ beads activate upon contact with moisture, lowering surface temperature for sustained relief during hikes, fishing trips, or beach days.
✅ Total UV Defense: Omni-Shade™ fabric blocks 98% of harmful rays (UPF 50), shielding your face and neck without sacrificing breathability.
✅ All-Day Comfort: The moisture-wicking Omni-Wick™ lining pulls sweat away, while the adjustable chin strap and rear drawcord ensure a secure, personalized fit for head sizes 21–23.5 inches.
✅ Engineered Convenience: A practical 3.5″ brim offers full coverage without obstructing vision, and the packable design stashes effortlessly into pockets or backpacks.

Crafted from durable 100% nylon poplin, this featherlight hat includes a hidden pocket for small essentials—proving that serious sun protection can be uncompromisingly versatile. Whether traversing deserts or gardening in your backyard, stay cool, protected, and in control under the fiercest rays.

Adventure-Ready Features:
• UPF 50 Full Spectrum Sun Blocking
• Sweat-Triggered Omni-Freeze ZERO™ Cooling
• Adjustable Chin Strap & Rear Toggle
• Compact, Crush-Resistant Packability
• Quick-Dry Nylon Build with Storage Pocket