Motorcycle Helmet Four-Season Bluetooth Full Men's 3C/DOT Certification New National Standard

3C certificate number:2022011105467406 Application scenario: Travel Applicable group: General Style classification: Full helmet Scope of application: Motorcycle material:ABS Processing: Yes Certification information: Applicable season: Universal throughout the

Note: The size chart is the recommended size, and there is an error of about 2CM due to manual measurement and different head shapes. Please try it on yourself as the standard

size S(55-56CM)M(57-58CM) L(59-60CM)XL(61-62CM)XXL(63-64CM)