A lasting legacy

From the summit of Mt. Everest to crossing the Arctic. This is the fabric that got there first.


Ventile® was created to save the lives of Air Force personnel flying over the North Atlantic in wartime Europe. Pilots needed a garment that was cool and comfortable in the cockpit, but warm and impenetrable if it came into contact with water. With nothing that offered this functionality in the early wartime years, a team of dedicated scientists pioneered a radical solution at the Shirley Institute in Manchester and, after several months of testing, Ventile® was born.

See our double layered Ventile collection on the Norwegian language site. www.ravno.no

Supermarine Spitfire V.c. – where Ventile™ saved lives. RF.Images

Ventile® extended life expectancy in the sea tenfold, which made rescue a real possibility. 80% of pilots who fell or parachuted into the sea would now survive. Ventile™ fabric went into mass production in 1943 and was worn by RAF pilots around the world.

The unique weatherproof qualities of the fabric ensured that it was also widely championed by outdoor enthusiasts and adventurers alike. Ventile® was used in Tenzing Norgays’ and Sir. Edmund Hillarys’ first summit of Everest in 1953 and later by Sir Ranulph Fiennes when he crossed the Arctic from 1979 – 1982.

Sir. Edmund Hillary and Tenzing Norgay summited Everest using Ventile™ in 1953

After years of commitment to innovation, performance and protection from the elements, Ventile® is still used by various air forces, as well as some of the most prestigious lifestyle and outdoor brands in history.

As the material makes contact with water, the fibres swell to create a waterproof barrier.

We doubled. Not one layer – but two layers of Ventile, where it matters.

The Ravnø Sabotør™ collection is made solely with Ventile®. This garment has the very best characteristics – water repellent when wet, breaths like cotton, quick drying, tough and silent. Loosely spun long staple cotton which is densely woven has the ability to swell when exposed to rain, – by swelling, the garment becomes waterproof. The two layer system we use in our garments reassures that the garment functions as a double barrier against the elements. The outer layer is your first barrier, the inner layer is your back-up.

As the garment ages over years of use, the fibres will diminish in their ability to completely repel water, at this stage in the garments lifecycle, we would recommend using Nikwax™ or similar high quality wax as a waterproofing barrier.

Ravnø testing early Sabotør prototypes in white-out conditions in the mountains of Norway.

Ravnø is the first company to successfully print on Ventile™. The materials inherent properties has made printing a near impossible task. However, through collaborating with Standfast & Barracks, experts in fine printing on furniture fabrics, we managed to achieve the qualities we were hoping for.

The Ravnø Sabotør™ collection, L24 Ventile™ is the heritage of a great legacy of adventurers. This is the jacket your son or daughter – will one day steal from you.

Read more about how we developed Ravnøs unique camouflage.

Why choose Ravnø?

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UNIQUE CAMOUFLAGE

UNIQUE CAMOUFLAGE

Modern patterns, durability, windblock, water repellent and breathable material.

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10 YEAR WARRANTY

10 YEAR WARRANTY

We make sure that you have a Ravnø product that you can rely on for many years to come.

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MADE IN EUROPE

MADE IN EUROPE

Hunting clothes with details from Norway, Sweden, Germany, Poland and Switzerland.