Protect your head. Push longer sessions. Stay sharp in the heat. 100% felt thermal barrier engineered to shield your scalp from extreme sauna temperatures so your brain stops quitting before your body is done. Extend your session time by insulating your head from the hottest zone in the sauna. Protect hair follicles and scalp from dryi
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Great but i still sweat like crazy grom my hair 😀. I asume the hst is for trying to keep lower heat on head