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Technical Data

Skiing is a sport and therefore your ski wear should fit well and be comfortable.

All our ski jackets, pants and one pieces are made by highly experienced ski wear designers and ski wear manufacturers.

Garments, fabrics and designs undergo rigorous testing by the manufacturers in terms of performance. If you would like to know more about the technical performance of the garments please read on...


The ability for the fabric to breathe/evacuate water vapour to the outside of the garment. This is especially important for sportswear where the wearer is more likely to perspire. 

High Water Resistance

Perfect to discourage snow from melting on you.

Results above 5,000mm are considered good. 10,000mm or above is excellent.

This property can operate in conjunction with critical seam sealing to ensure that moisture does not permeate the outer membrane in wet conditions.

Fabrics selected for manufacturing ski wear are chosen for their technical abilities obtained through manufacturing techniques. The fabrics have pores which are larger than a molecule of sweat (to allow for evaporation and wicking of moisture away from the body) but smaller than a molecule of water. This allows your ski wear to be breathable, water resistant and comfortable. 

High Moisture Permeability/Breathability

A measurement of how effectively a garment transfers water vapour or sweat out. The ability for the fabric to breathe/evacuate water vapour to the outside of the garment is especially important for sportswear where the wearer is more likely to perspire. 

This is measured in grams. For example, how many grams of sweat per square metre can escape a garment in a 24 hour period. The higher this is the better a garment is at keeping you consistently at a comfortable temperature and dry. 

Above 5,000g/sqm.24hr is considered good.

Above 8,000g/sqm.24hr is very good and enables perspiration vapour to be released from the garment during active exercise. This standard of fabric technology enables you to keep dry and comfortable during a full day of moderate activity and will easily handle sustained periods of high activity. 

High Water Repellency (100% is good) so that the fabric does not become saturated in wet conditions.

Most ski wear is not produced to wear in wet conditions - it is manufactured to withstand cold, snow and dampness, not rain. Garments with High Water Repellency often are not breathable or as comfortable and are more like an anorak. 

Fabrics, Linings, Insulation, Technical Equipment and Environmental Performance

Thermolite Insulation provides warmth and comfort but is lightweight and slim. It dries 20% more quickly than other insulating fabrics and 50% more quickly than cotton. 

Primaloft Insulation offers superior performance for high quality cold weather clothing. It's soft, lightweight and breathable with excellent water repellency. The user should be able to remain dry, warm and comfortable in extreme conditions. 

Perfortex is a fabric technology exclusive to Fusalp. It's a waterproof, windproof, breathable and microporous membrane. A synthetic layer is laminated on the internal layers of the fabric to increase efficiency. The tiny size of the micropores enables moisture to exit the garment whilst preventing penetration from rain, wind or snow. External water resistance treatments and waterproof seams guarantee protection. 

Bluesign is an international independent standard based on resource productivity, consumer safety, air and water emissions as well as worker health and safety. Total transparency along the textile production line without compromising on functionality, quality and design. We are proud to say that most of the garments we sell are produced to this very high standard.

Dupont/Sorona is a biopolymer fibre with an unbeatable heat to heat ratio. its elastic, soft, quick drying, easy to clean and resistant to chlorine and stains. This bio-polyester formulation is made from renewable organic materials and has the advantage over synthetic polymers derived from petroleum. Therefore this production uses 40% less energy and reduces greenhouse gas emissions by 63% compared with usual fibres. 

OEKO TEX Standard 1000 is a testing, audit and certification system for environmentally friendly operations in textile and clothing industries. The aim is to continuously improve performance and working conditions. Many of the garments we sell are produced to this standard and we continue to encourage our designers and manufacturers to adopt environmentally friendly production techniques. 

Reach is an EU regulation aimed at protecting both human health and the environment from risks related to chemical substances and championing the European Union chemical industry. This regulation encourages the development of alternative methods for the assessment of hazards in order to minimise animal testing. 

Quilting traps the insulation layers to compress them and make them less bulky whilst still providing the same warmth. The removal of bulk is good for the skier who wants to look good, stay warm and have the best flexibility and movement whilst skiing. Many of our ski jackets are quilted for this reason.

Outer fabrics are often made of 100% polyamide which consists of many tiny polymers. There are two main types of polymers in polyamides that contain sweat-wicking properties. Polymers contain polarized ends that have negative and positive charges. The charged ends attract water molecules, which in turn leave the surrounding material and move away from the skin. This fabric is designed to repel moisture from the outside of the jacket, keeping you warm and dry.

Inner fabrics may be made of 77% polyamide and 23% polyurethane – here the role of the polyamide is to repel moisture that you might make, so that no sweat lies close to your skin or base layers thus preventing you from getting cold and wet. The polyurethane (PUL) fabric is waterproof, durable and has a slight crossgrain stretch and is used in items that are required to be largely waterproof. Most PUL fabric is made by laminating lightweight polyester interlock knit fabric to a 1 millimetre thick film of polyurethane. There are two processes used for lamination: solvent lamination which fuses the fabric and polyurethane film into a single monolithic fabric and hot melt which uses heat activated glue to adhere the fabrics together. This laminated fabric is useful as a wind and/or water barrier in the construction of fluid-splash protecting garments, including shower curtains and outerwear clothing.

Lining 1 may be made of 100% polyester to keep you warm.

Lining 2 may be made of 100% polyester wadding or batting is a layer of insulation used in quilting between a top layer, in this case the inner fabric and a bottom layer of the backing material, in this case lining 1. It is also used for duvets as it is washable and suitable for people with allergies.

4 Way and 2 Way Stretch including Schoeller

These fabrics offer the maximum in comfort and flexibility for the wearer. The stretch is obtained through a combination of elastane and other technologically proficient materials or by special weaving and layering techniques. Multi directional flexibility in a garment is really important for sports wear. 

Schoeller WB-400

Swiss company Schoeller offers a range of laminated fabrics with 2-3 layers of high tension and high quality yarns and is produced in an environmentally friendly manner. 

Schoeller make an amazing WB-400 fabric. I tis very flexible and soft but heardwearing.

It's two fabrics bonded together. The outer layer is an elastic/synthetic blend which is incredibly hard-wearing, unconstricting and dirt-repellent and combined with acrylate layer which repels water but does not inhibit the movement of perspiration. 

The outer surface is treated to make moisture form "beads" and roll off.

Inside is a fleecy fabric which retains warmth. 

The WB-400 Schoeller fabric is not fully waterproof but is water and wind resistant. It's suitable for 80-90% of weather conditions - excluding persistent heavy rain or very wet snow. The fabric's breathability is 25-30% better than hard shells, according to Schoeller.

Schoeller now comes in merino wool too. The membrane material is breathable, moisture repellant, windproof with anti-stain and anti-UV capabilities. 


Down filled ski jackets provide great comfort and warmth for skiers with a natural feel. Down is exceptionally lightweight and the 3 dimensional structure ensures it is comfortable. The down interlaces and overlaps trapping an air layer which prevents heat escaping and cold entering. 

Typically down from older birds is used as their feathers are larger and more fluffy.

Fill power is measured in cubic inches per ounce. An ounce of down is compressed by weight in a glass cylinder. It's ability to bounce back and loft is calculated as its fill power. Fill power ranges from 400-900 and down outerwear ideally falls in between 550-800. 

A higher percentage of down to feather is preferable as feathers don't have as much loft. 

To create down ski jackets the down can be placed in the garment and then sewn through. Alternatively the down can be placed in individual rows which is known as Box Baffle. Occasionally ski wear is made using a blend of both techniques with Box Baffle on the body and Sewn Through used on the sleeves. 


Some Winternational jackets are fur lined or trimmed.

Our policy is to work with design houses who use naturally farmed fur products (for example Saga Furs) where the animals are regularly checked by veterinarians and there is freedom of movement as one might see at a free-range farm. 

Whilst we do not condone cruelty to animals in any way, we do believe that managed fur offers significant environmental benefits.

Fake fur is produced using petroleum petrochemicals which are a non-renewable resource.

On the other hand, fur is a renewable resource and it is on this basis that we continue to offer it to our customers, furthermore fur performs exceptionally well in cold weather conditions and is a natural product. 

YKK Excella Zips

EXCELLA® is the high quality metal zipper with fully polished elements and in a wide variety of colours including gold and silver. The shiny look gives a luxurious appearance to clothing.

YKK Water Repellent Zips

AquaGuard® is the water repellent and water intrusion zipper. Elaborated by lamination of the polyurethane film on a spiral or injected zipper. It comes in several glossy, transparent or matte colours but always with a high quality appearance.

Snow Gaiters

This technical and waterproof gaiter (PU coating) prevents snow and air from getting into the bottom of the pants so that you can remain comfortably warm and dry.

Wrist cuffs with or without thumbholes

This comfortable cuff provides airtightness to help keep warmth in and to snow proof your arms.

Any questions?

Please call or email customer services - you can reach us on 01235760077 or at