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DirDirect :: Undersuits & Heating Systems :: Thinsulates & Undersuits :: Ursuit X-TEX Finnfill Heavy Undersuit

Ursuit X-TEX Finnfill Heavy Undersuit

Ursuit X-TEX Finnfill Heavy Undersuit
Ursuit X-TEX FinnFill Undersuit Ursuit X-TEX FinnFill Undersuit

Ursuit and Finnfill technology bring you warmth without the stiffness or bulk. Finfill material does not lose its insulation capacity even after many washes as opposed to thinsulate and regular wadding. Even better, it actually gains thermal properties if dry cleaned. Ursuit's X-Tex range of Finnfill undersuits are the ideal choice for active divers throughout the world.

Details
SKU XTEXH
Options
Size
£199.00 £325.00
save 39%

URSUIT X-TEX FINFILL • 0.83 or 1.97 CLO 

Flexible but warm: Finnfill insulation is the most distinctive property of X-Tex Heavy Finnfill undersuit. Developed with the most renowned research institutes and polymere manufacturers in the world, Ursuit Finnfill undersuits are made to keep you warm and dry whatever the conditions are. 

200 or 400?
The insulation of X-Tex Finnfill is measured in international Clo-units that show the true insulation properties if the material and suit. In the all season 'Heavy'  model the CLO grade is 1.97 while the 'Light' version is 0.83 CLO. By way of comparison, a 200gsm thinsulate has a Clo value of 0.6 while a 400gsm thinsulate has a Clo value of 1.3.


What makes Finfill unique are:

  • Ease of care
  • Efficient insulation 
  • Excellent flexibility
  • Unique structure

Finfill material does not lose its insulation capacity even after many washes as opposed to thinsulate and regular wadding.

Even better, it actually gains thermal properties when dry cleaned. 

Finnfill insulating material does not break up like most cotton-wool insulating materials, and therefore it does not either get lumpy or flattened during use or washing.

It also keeps the main part of its insulation capacity when completely wet.

KEY FEAUTURES

  • Double lock front zipper
  • Elastic collar
  • Cuff and leg bands
  • Wide waist band
  • Chest pocket with zipper
  • Large thigh pockets
  • Thumb loops for donning
  • Elastic leg retainers
  • Armpit vent holes
  • Left arm vent holes

Heat loss comparison*
Infrared photography reveals heat losses through Finfill and comparative Thinsulate 3m. Thermography is an ideal technique for studying the heat flows from the human body through the clothing to the cold environment. The pictures here demonstrate the cold protection properties of Finnfill and Thinsulate microfibre insulator (3M). The top pictures were taken when the garments - all of same design - were new. The pictures underneath were taken after five washes at 40C. The shades of the pictures illustrate the sites and amount of heat loss (see scale). These pictures confirm other research results indicating Finnfill’s superior stability during laundering. In contrast to the other materials, heat is not lost through Finnfill, even after laundering. For more information and comparison charts download our 4-page PDF Ursuit Finnfill Specifications brochure.

SIZE CHART:

Please use the chart below to select the correct size undersuit taking into account what dry suit you will be wearing it under. You can chose between the X-TEX Light Finnfill (0.83 CLO) or the X-TEX Heavy Finfill (1.97 CLO). Both undersuits are flexible and watertight.

 

 

 

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