Fourth Element Xerotherm Beanie Hat Size:S/M Thanks to the varied silicone

Thanks to the varied silicone thickness

Volume: 76 Litres

Three brightness levels: 100%

Exposure Value (EV): EV adjustable from -2

comfort and feel

Fourth Element Xerotherm Beanie Hat Size:S/M Thanks to the varied siliconeThe Fourth Element Xerotherm Beanie Hat is an excellent way to help stay warm before, between and after dives. The beanie is made using the same fast wicking and warm material as the rest of the Xerotherm range and features a soft fleece lining around the bottom for improved comfort. Xerotherm is made using Polartec Powerstretch which was originally developed for NASA and effectively traps a layer of air a much better insulator than water next to the