Klim F5 Koroyd helmet

The Klim F5 Koroyd adventure helmet is the first motorcycle helmet to replace sections of the internal absorption liner with Koroyd tubes, which the American brand claim are safer, more robust and better ventilated than EPS.

Building on its existing F5 adventure helmet, Klim’s added a Koroyd lining. Koroyd is made up of hundreds of tiny tubes, which are made from short sections of a plastic polymer.


The tubes are then stuck together to form a honeycomb, which is cut into sheets and placed inside the helmet.

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On impact, the Klim F5 Koroyd welded tubes buckle – decelerating energy and protecting the wearer, in much the same way as an EPS liner.

But in low impact situations the Koroyd tubes are able to bounce back. Clever.


RRP: £499.00

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