A: Hello 2bcool - Thanks for your interest in Ergodyne. The cooling effect can last up to 4 hours before needing to be re-activated. Re-activation only takes a minute or two by running the product under cold water, and then you're good to go for another few hours. Please keep in mind the duration of the cooling effect his highly variable depending on the temperature and humidity of the environment in which the product is used. Stay cool!
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|Clothing Product Type||Bandana||Hat||Hat||Hat|
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