Structure
ABS hard shell +high density EPS foam
Fit System
Rotatable adjuster easy to operate
Lining
Comfortable soft padding, sweatproof
Color & Decal
Customizable
Surface Process
Glossy / Matt / Rubbery
Size
S:51-54CM /M:54-58CM /L:58-61CM
Certification
EN-1078; CPSC
Qualification
ISO9001:2015