ONE SIZE TO FIT ALL Head Circumference: 50cm-60cm/19.7in-23.6in Fit for most people, please measure your head circumference before buy.
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5mm durable hard shell Durable hard shell inserted ear guard to protect your ear, Hard enough when you wrestling or boxing.
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Breathable holes Designed with 3 holes, excellent ventilation. you wouldn’t feel uncomfortable while use it.
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