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Columbia Coolhead Zero IV Booney Hat - City Grey

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€47.23

Columbia Coolhead Zero IV Booney Hat - City Grey

Lightweight City Grey travel hat equipped with a wide brim to shield skin from harmful UV rays. The design includes an extra neck flap at the rear for enhanced sun protection. Ideal for hiking, casual strolls, or adventures in warm environments.

Features innovative Omni-Freeze Zero cooling technology, utilizing specialized fabric elements that draw in moisture and accelerate evaporation, delivering a cooling and fresh sensation even during strenuous activity in hot conditions.

Durable nylon, drawcord with stopper

Constructed entirely from abrasion-resistant nylon, the model offers a lightweight design that dries rapidly, ensuring optimal comfort in hot conditions. Features include an adjustable drawcord with a stopper, enabling easy modification of the length.

active cooling, moisture-wicking, and UV protection

Modern Columbia brand technologies are integrated into the hat to optimize comfort and practicality for the user:

  • Omni-Shade Broad Spectrum UPF 50: Fabric delivers advanced protection against UV rays by blocking the majority of UVA and UVB radiation, ensuring reliable sun defense at a UPF 50 level and helping to minimize the likelihood of sunburn and skin damage during outdoor activity.
  • Omni-Freeze Zero: Cutting-edge cooling technology, activated by sweat, features specialized blue rings that boost moisture absorption and evaporation, effectively reducing the temperature of the material and delivering a refreshing cooling effect in high-heat environments.
  • Omni-Wick: Swiftly transfers sweat away from the skin to the fabric’s exterior surface, allowing rapid evaporation. Guarantees the inside of the hat remains dry and sustains thermal comfort, even during intense physical activity.

wide brim, neck cover

Featuring a brim measuring approximately 9 cm in width, the hat offers reliable sun protection for the face. The model also incorporates a neck cover, which can be conveniently concealed inside the brim when not in use. Engineered for portability, the packable design maintains its form, thanks to a flexible construction that allows the hat to be easily stowed in a backpack or bag.

Main features

  • Quick-drying, adaptive fabric
  • Integrated neck protector
  • Adjustable drawcord with stopper ensures a secure, tailored fit
  • Omni-Shade Broad Spectrum UPF 50 provides reliable UV defense
  • Superior active cooling with Omni-Freeze Zero technology
  • Enhanced moisture management through Omni-Wick technology
Columbia Sportswear


Militaria.pl is an authorized dealer of Columbia Sportswear.


Columbia Sportswear is one of the world's leading outdoor brands. It offers functional jackets, thermal clothing, hiking footwear and specialized collections such as Columbia Titanium for mountaineers and Montrail for off-road runners. With advanced technologies such as Omni-Heat™ Reflective to reflect body heat, Omni-Tech™ to offer waterproofness and breathability, and OutDry™ for total waterproofness, Columbia products are guaranteed to be reliable both on the trail and in everyday use.

More Information
Color/camouflage Gray hue
Material type Synthetic
Material flexibility Inextensible
Material texture Uniform (smooth)
Circuit regulation No
Gender Men's
Ventilation No
Weight 140 g
Main material 100% nylon
Main color City Grey
Velcro panel No
Thermoactive No
Manufacturer code 2159191023
Brand Columbia Sportswear
Omni-Wick feature
Omni-Wick

Omni-Wick is an innovative technology characterized by efficient wicking of body moisture, temperature regulation and fast-drying materials. It keeps the skin dry and comfortable during activity, and can reduce the development of odors.

Omni-Freeze Zero feature
Omni-Freeze Zero
Omni-Freeze Zero is a moisture-activated cooling technology developed by Columbia Sportswear for activities in moderate to high temperatures. The fabric structure contains special reactive rings that accelerate the distribution and evaporation of sweat when in contact with it, enhancing the cooling effect. As a result, the fabric effectively lowers its temperature, ensuring a long-lasting feeling of freshness, high breathability, and comfort even during intense exercise.
Omni-Shade Broad Spectrum feature
Omni-Shade Broad Spectrum
Omni-Shade Broad Spectrum is a sun protection technology developed by Columbia Sportswear that effectively blocks UVA and UVB radiation thanks to the appropriate fiber construction and weave density. It provides UPF 50 protection, reducing the risk of sunburn during prolonged exposure in the field. Unlike chemical filters, it works continuously on the covered surface of the fabric, maintaining the lightness and breathability of the fabric, which translates into high comfort of use in outdoor conditions.

Reviews with photos

Review summary

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Number of reviews: 1

  1. M...
    80%

    The hat works great during heatwaves – the wide brim effectively shields from the sun, and the head stays cool. The City Grey color is subdued and doesn't resemble a safari hat. Unfortunately, in strong winds, the hat can fall off if you don't use the cord. The light shade of the material also gets dirty easily.

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