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Size: Adjustable from 52cm to 61cm

Chin Strap: One-touch type

Product dimensions when folded: Length 358 x Height 197 x Thickness 45 mm

Product dimensions when assembled: Length 263 x Height 145 x Thickness 201 mm

Standard: Approved by the Ministry of Health, Labour and Welfare's "Protection Helmet Standard for Flying and Falling Objects" and National Accreditation