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SM - $29.99 MD - $29.99 LG - $29.99

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One K™ Defender Helmet Liner If a helmet does not fit this liner can easily be inserted for the perfect fit Liner provides ultimate flexibility for growing children, shared helmets, or people who wear different hair styles for schooling versus showing 3 shells make up all sizes The base shells are Medium, Large, X-Large Use the Medium size helmet with a Small or X-Small liner to change the fit of the Medium helmet into a Small or X-Small. Use the Large size helmet with an X-Large liner to change the fit to Large. Use the X-Large size helmet with the XX-Large liner to change the fit to X-Large   Item # 2039-468270