Hat, Ice Pack, Helmet, Cooling, 28°C Natural Freezing, PCM Cap, Ice Pad

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[Natural Freezing at 28°C]
Instantly cool down your head! The PCM cooling hat pad naturally freezes in environments below 28°C and is a reusable cooling hat pad that requires no power or batteries. It can be frozen in the refrigerator or freezer, or simply placed in an air-conditioned room, or briefly dipped in cold water to quickly restore its cooling sensation. It delivers instant comfort and coolness in various situations such as going out on hot days, demanding outdoor work, and commuting to school or work.

[Cool and Comfortable Freshness]
There is no condensation or water leakage, so you don't have to worry about your hat or helmet lining getting wet and uncomfortable. Even when melted, no water droplets appear, making it gentle on your skin and always maintaining a dry and comfortable feel. The surface is also waterproof and does not absorb sweat or dirt. If the surface gets a little dirty or sweaty, simply wipe it with a damp towel.

[Non-Slip Double-Sided Belt]
Equipped with dedicated fixing belts on both sides, it is designed to easily pass through the inside of a hat or the harness of a helmet. It fits snugly and stays in place, preventing slippage and providing a stress-free experience, even when cycling or working with your body. Its ultra-lightweight design makes it comfortable to wear for long periods. Furthermore, it folds to about half its size, allowing for neat storage without taking up much space.

[Eco-Friendly and Economical Ice Pad]
It will become cool again in about 5 minutes in the freezer, about 20 minutes in cold water, or simply by leaving it in an air-conditioned room (below 28°C). It can be revived with cold water even when you are out and about, so you can rest assured during long outdoor activities. Because it is reusable, it is a heat-relief product that is kind to both the environment and your wallet.

[Great for All Summer Occasions]
Fits all hats (approx. 25.5cm diameter). It fits various hats and helmets for both adults and children. It can be attached to any type of hat, including construction helmets, motorcycle/bicycle helmets, baseball caps, and straw hats. From professional sites such as construction sites, agricultural work, and factory work, to camping, festivals, golf, cycling, and daily commuting to school or work, it transforms all hot summer occasions into comfortable coolness.