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The ultimate base layer for use under a drysuit. Made using Polartec® Powerstretch® originally developed for NASA, the Xerotherm traps a layer of air - a much better insulator than water close to the skin, keeping the wearer drier and more comfortable. The range is designed to be worn under another undersuit or on its own under a neoprene drysuit.

Xerotherm fabric mesh produces the fastest wicking effect of any product in the fourth element product range. Moisture is expelled through the fabric along the fine fibers and then spreads to the outer surface. This keeps a thin layer of air close to the skin. This is so effective in the Xerotherm that some users report experiencing small suit leaks during the dive without even realizing it until after the dive.

"The performance is superb." This was the reaction of world-renowned, award-winning underwater director and author Doug Allan after testing the Xerotherm in -2 degree (29F) water inside the Arctic Circle in Svalbard while filming sequences for the production of BBC The Blue Planet.

Xerotherm is specified by FBI dive teams, the Norwegian Navy and British Police diving units.


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