Enclosure Gel filled, ultrasonically welded, high density ABS housing.

附胶体填充，超声焊接，高密度abs外壳。

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Some will wear vests filled with chilled gel, others will dunk their hands in icewater just before competing and nearly all will be wearing fabrics designed with hot weather in mind.

有些人将会穿上充满冰胶的背心，还有的人在比赛前会把手浸在冰水里，几乎所有人都会穿上为抵挡炎热天气而设计的布料。

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The KoolCollar also comes with a gel filled insert that you freeze and use instead of ice (minus the secondary evaporative cooling) for indoor use, to provide cooling without the dripping water.

FORBES: Dog Days of Summer? Not With the KoolCollar!

Critics claim silicone often leaks from the gel-filled devices, causing cancer and neurological diseases.

CNN: New breast implant set for trials

One of the things commonly used is a water-filled antiseptic gel wrapped around the burn which not only cools down the injury fast but helps prevent the infections which are the biggest killer of burns patients.

BBC: Saving your skin