The OneK helmets are available in 3 shell sizes. By using the OneK MIPS liner which is available from XXXS to XXL you can achieve the perfect fit. The OneK liner is made of a washable quick-dry fabric; it is moisture wicking and anti-microbial.
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Technical description:
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The One K â„¢ helmets are subject to three different tests. One K â„¢are proud to score above the required standards in all tests and thereby being approved by the CE norms VG01 and ASTM F1163-15.















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