Evaporative vests give up when the air's already saturated with moisture. PCM cooling vests don't play by those rules, because phase change material technology doesn't care whether the air around it is dripping wet or bone dry. It's chemistry, not weather.Before you...
Not all PCM cooling vests are the same, and the temperature rating you pick is usually where things go wrong. Choose one rated for extreme heat and you'll spend your whole office shift shivering. Pick one meant for mild afternoons and it won't put a dent in the sweat...
You've probably wondered if there's a smarter way to beat the heat than melting ice packs down your back. That's exactly why PCM cooling vests keep popping up in your searches. They promise hours of steady, hands-free relief using phase change material technology...