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Subjective Evaluation of Novel Comfort Liners for Motorcycle Helmet

Taher Halimi M

Motorcycle helmets manufactured in developing countries such as Tunisia are not specially designed, adapted or modified to provide extra comfort especially in hot and humid environment. In this study, three comfort liners manufactured from natural fibers are proposed and compared with standard liners. Subjective evaluation based on subject’s opinions and objective evaluation using liners characteristics: are used in this comparison. It was found that non woven liner made from wool and alfa fibre is more advantageous in term of comfort and acceptance than the other liner. It was judged comfortable, acceptable, not sweating and not hot. This result was confirmed by liners characteristics witch can convince helmet designer that more work is needed in this aspect.