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Unfortunately, there is no such thing as a universally suitable functional jacket for every climate zone on earth, every weather condition, temperature, altitude and every purpose. This is mainly due to the different conditions and contradictory requirements that such an outdoor jacket would have to fulfil. But there are different types of special outdoor jackets that are perfectly adapted to the respective use. And which accompany you as a faithful companion in all circumstances and situations.


Some functional jackets protect you intensively against water, others insulate body heat and protect you from icy cold. Some models impress with optimized breathability for particularly active outdoor use. There are different types of jackets, and the selection in the Keller Sports Outdoor Shop is based on the same characteristics:

  • Hardshell jackets offer intensive protection against moisture and wind. Thanks to modern membranes, they are robust and above all waterproof and windproof, while at the same time offering a simple level of breathability.
  • Softshell jackets: Soft and comfortable to wear. They are very breathable, keep you warm and offer reliable moisture transport away from the body. Softshell jackets are water- as well as wind-repellent, but not waterproof like hardshell jackets.
  • Down jackets: Intense warmth here, light weight there. In cold weather, down feathers act as an insulating heat accumulator. If down comes into intensive contact with water, the natural materials clump together and lose their insulating power.
  • Fleece jackets have high breathability and low moisture absorption. They are often used as a warming layer (midlayer). Low weight and short drying time. There are also more elastic models made of stretch fleece.
  • Outdoor parkas: From Alaska and Siberia to the US army and outdoor jackets. Characteristic, long cut. Warming, thick lining, often wind- and water-repellent.
  • Double jackets: Double jackets are often a combination of a warming midlayer and a weather-repellent outer layer (hardshell). Fleece materials have proven themselves for the midlayer, while the outer layer is often made of a weatherproof membrane such as Gore-Tex or Futurelight. You can separate the two with a zip.
  • Windbreaker: Lighter, easy to pack, but less robust and insulating. The simple windbreaker helps when you spontaneously need a bit more warmth on the bike or want to quickly protect yourself from a short rain shower. At the same time, they are much less robust, insulating and waterproof than hardshells.


Textile technologies for outdoor jackets can be roughly divided into two areas of application - weather protection and thermal insulation. Different materials are used depending on the type of jacket.

Weatherproof outer layer

Gore-Tex, Futurelight, Proof, Venturi - these names stand for innovative synthetic fibre membranes that offer very effective protection against wind, water and cold - and are also breathable. The functional textiles are also extremely light, so they are always used as a weatherproof outer layer for rain jackets, hardshell jackets or windbreakers.

Warming inner layer

ThermoBall, merino wool, Primaloft, Climaheat, down or fleece - these terms describe the warming middle layer and are used for jacket linings. The materials are lightweight, breathable and provide excellent insulation. Disadvantages of merino wool and down are longer drying times compared to the synthetic fibre materials.


Depending on the type of functional jacket, there are many gadgets or special features - the most useful features are:

  • Inside and outside pockets: Pockets in different sizes for hands, smartphone, wallet and other small items. Outside pockets should be water-repellent and easy to close. Waterproof zips are an advantage.
  • Collar, zip and hood: Full-length or only up to the chest. Outdoor jackets often have zips that are waterproof. Detachable or stowable hoods are an advantage, especially if you want to wear hats, scarves, ski or bike helmets.
  • Waterproofing (DWR) is used to make the jacket outer layer additionally water-repellent. This is particularly useful for membranes that do not offer very intensive protection against water penetration, e.g. softshell jackets. In addition to the usual impregnation sprays, environmentally friendly solutions are now also being used.
  • Breathability: A pleasant body climate in the jacket due to constant air exchange prevents the formation of sweat stains. Depends on the type of jacket and the outer materials. Softshell jackets, for example, are more breathable than hardshell jackets.
  • Ventilation slits: Support breathability depending on the jacket model. Often incorporated near the armpits and in the back. Some also have a zip function or zip.
  • Reflective elements: Light-reflective elements on the jacket that increase visibility at dusk or in the dark.
  • RECCO reflectors: Passive reflectors that can be incorporated into outdoor clothing. RECCO reflectors can reflect a radio signal emitted by special search devices. The search device can be used by mountain rescue and rescue forces in skiing and avalanche accidents. According to the manufacturer, the range of the system is 200m on the surface and 30m when searching in the snow.


How exactly you wear your outdoor jacket depends on the area of use, type, activity and figure. More elastic jackets such as softshell or fleece models can be worn close to the body, while robust hardshell materials require a slightly wider cut. If you are constantly on the move, a lightweight softshell or fleece jacket with optimal freedom of movement is the right choice. It is advisable to wear several layers for outdoor adventures according to the onion principle. This way you can easily react to temperature and weather changes and adapt your clothing.


Functional jackets and outdoor jackets should not be washed too often. When washing, be sure to follow the manufacturer's instructions on the label. Use a gentle liquid detergent, perhaps even a special functional detergent. Do not use fabric softeners, chlorine bleach or other chemical additives. Do not spin dry and use the delicate cycle. Some outdoor jackets - especially fleece or softshell models - require re-impregnation after washing (see manufacturer's instructions).


In the Outdoor Shop at Keller Sports you will find a huge selection of different outdoor jackets and functional jackets for every kind of outdoor adventure. High-quality jackets, coats and parkas from well-known manufacturers such as The North Face, Mammut, adidas Terrex, Dynafit, Patagonia, Haglöfs, Fjällräven, Bergans, Peak Performance, Schöffel, PYUA, Salomon and Gore Wear. In the Outdoor Jacket Outlet you will also find reduced functional jackets - i.e. remaining sizes, individual items or seasonal offers. It pays to be quick!



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