54% off KJUS Men's Formula Pant
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KJUS Men's Formula Pant

The Kjus Formula Pant is exclusive to Snow Rock in the UK and provides excellent technical performance both on and off-piste. Dermizax® EV provides reliable waterproof, breathable protection and incorporates 4-way stretch for freedom of movement, aided by the articulated construction of the knees. Thinsulate® Platinum Flex insulation offers excellent levels of warmth without adding bulk or slowing you down, whilst fixing loops allow you to connect the pants to your jacket for added protection when you venture into the powder.
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Was: £370.00 Now: £169.00

  • Colour: Red
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Code: KJU0555RR

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  • Fabric: 4-way stretch – 100% Polyester
  • Laminate: Dermizax® EV
  • Lining: 100% Polyester
  • Insulation: 70g Thinsulate™ Platinum Flex
  • Reinforcement at hem: Schoeller® Keprotec®
  • Waterproof Rating: 20000mm
  • Breathability Rating: 20000g/m2/24hrs
  • Articulated knees
  • Fixation loops to connect jacket and pants
  • YKK Aquaguard Vislon water repellent zipper
  • Snow gaiter


Dermizax® NX:Exceptionally breathable, waterproof and windproof membrane technology with outstanding stretch properties. At its heart lies a non-porous hydrophilic PU membrane specially constructed on a molecular level that allows vapour molecules to pass easily from inside a garment to the outside. 100% waterproof, it is also environmentally friendly as it only generates in its production 1/10th of the CO2 emissions compared to other membranes.
Thinsulate™ Platinum Flex:Durable yet lightweight stretch insulation that has excellent heat retention properties even in wet conditions.
Schoeller® Keprotec®:An Aramide fabric that features space-travel technology and provides protection against ski-edge injury. Five times as strong as steel and of a comparable weight, it is ultra resistant to abrasion and tearing. It is also heatproof, durable, comfortable and easy to care for.
Waterproof Rating:This is measured and expressed as Hydrostatic Head in millimetres (mm). To find out the Hydrostatic Head of a fabric the manufacturer will take a clear tube and clamp their material over the bottom end. They will then fill the tube slowly with water and watch to see how high the column of water can get before the material lets drips through. The higher the hydrostatic head, the better the water protection. The European Standard a fabric must meet to be classified as waterproof is a Hydrostatic Head rating of 1500mm, and on average, outerwear fabrics tend to have a hydrostatic head of 10000mm and above.
Breathability Rating:Breathability is measured as a rating in grams of how much vapour a square metre of fabric will allow to pass through in 24 hours (g/m2/24). For general use, 10000g/m2/24 and above is desirable. It should be noted that breathable fabrics do not stop you sweating and care should be taken as to clothing worn beneath waterproof/breathable shells. High quality base layers and fleece or insulated midlayers should in themselves draw vapour from the body and pass it outwards, thus allowing the outer fabric to do its job. Cotton clothing should never be worn as part of a performance clothing layering system.