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Drysuits & Undergarments

Xerotherm Top

Manufacturer Fourth Element

Xerotherm with new men’s and women’s fits. The 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 element product range. Moisture is drawn out through the fabric along fine fibres and then spreads out over the outer surface. This maintains a thin layer of air next to the skin. This is so effective in the Xerotherm that some wearers report experiencing minor suit leaks during the dive without even noticing until after the dive.

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

The Xerotherm represents the ultimate in baselayer performance, unrivalled by anything else on the market. Since Doug’s testing, the Xerotherm has been to the top of Everest and down to the Titanic, as well as being specified by the FBI Dive Teams, Norwegian Navy and British Police Diving Unit.

 

 53% Polyester / 38% Nylon / 9% Elastane

Machine wash cold. We recommend using Sub30 Technical Garment Wash, fourth element’s environmentally friendly washing solution for technical fabrics. Line dry, do not tumble dry.

Only sizes in stock appear in the drop down box. Other sizes can be ordered in on request. 

 

 

Fourth Element Xerotherm Women's Size Chart  
Sizes UK Height Chest Waist Hips Inside Leg
  cm cm cm cm cm
6 160-168 68-76 51-59 76-84 71-75
8 162.5-170 74-82 57-65 82-90 73-77
10 165-173 80-88 63-71 88-96 75-79
12 167.5-175 86-94 69-77 94-102 77-81
14 170-178 92-100 75-83 100-108 79-83
16 172.5-180 98-106 81-89 106-114 81-85
18 172.5-180 104 -112 87-95 112-120 81-85
20 172.5-180 110-118 93-101 118-126 81-85
           
Fourth Element mens Xerotherm Sizes    
Sizes Height Chest Waist Inside Leg*
XS 165-172 76-86 58-68 76-80  
S 170-178 86-96 68-78 79-83  
M 175.5-183 96-106 78-88 82-86  
L 180.5-188 106-116 88-98 85-89  
XL 185.5-193 116-126 98-108 88-92  
XXL 190.5-198 126-136 108-118 91-95  
XXXL 195.5-203 136-146 118-128 94-98

 

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$195.00
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