Fourth Element Xerotherm Beanie Hat Size:S/M comfort and feel

comfort and feel

Thanks to the varied silicone thickness

Air bladder: 210 d nylon

Secondary inflation option — can still be inflated via baffle with a second stage if cylinder is empty

Exposure Value (EV): EV adjustable from -2

Fourth Element Xerotherm Beanie Hat Size:S/M comfort and feelThe 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