Fourth Element Men's Xerotherm Long Sleeve Top Size:Medium (For example

(For example

Drainage well for quick and easy emptying

30+ hours of diving with air integration enabled

Flat seams provide next-to-skin comfort throughout the dive

snorkelers can power through current and enjoy hours on the water without undue muscle strain

Fourth Element Men's Xerotherm Long Sleeve Top Size:Medium (For exampleThe ultimate baselayer 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 next 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. The knit of the Xerotherm fabric produces the fastest wicking effect of any of the products in the fourth