**Product Specifications:**

**Brand:** YEMA

**Model:** Retro

**Category:** A

**Standard:** New national standard

**Certification:** CCC

**Features:** Retro Harley design, classic ignition, windscreen included

**Core Advantages:** Upgraded quality, sturdy shell with upgraded 709ABS material, multiple layers of protection, shock absorption, unisex design

**Usage:** Suitable for various scenarios

**Safety Certification:** China Compulsory Certification (CCC), Certification Card Number: [to be filled], Certification Date: January 1, 2028

**Certification Issuer:** Lanxi City YEMA Motorcycle Accessories Co., Ltd.

**Product Specifications:** Model 3635 (Large), Product Standard: GB 811-2022

**Technical Requirements:** Compliant with 2017 standards, approved by the China National Accreditation Service for Conformity Assessment

**Additional Details:** Suitable for motorcycle riders, model 363S (Large), Product Standard: GB811-2022

**Design:** Retro style with sunshade, two color options, detachable visor and rear cushion

**Material:** High-strength helmet body with 15mm thick EPS layer for cushioning

**Ventilation:** Breathable cotton material for comfort

**Size Measurements:** Half helmet, dimensions: Length 30cm x Width 23cm x Height 17cm, Weight: Approximately 740g, One size fits all (up to 62cm head circumference)

**Maintenance:** Instructions provided for helmet, visor, and inner lining maintenance

**FAQs:** Common questions addressed regarding helmet size adjustment, odors, and minor scratches

**Helmet Maintenance:** Guidelines for cleaning the helmet surface, visor, and inner lining

**Helmet Features:** Detailed information on the design features including detachable visor, rear cushion, and quick-release buckle

**Note:** The arrow mark on the helmet is part of the design and does not affect safety

This product specification provides comprehensive details about the YEMA Retro helmet, including its design, safety features, certifications, maintenance instructions, and FAQs.