**Product Specifications:**
**Brand:** GUB
**Model:** D61
**Weight:** Approximately 249g
**Number of Holes:** 21 for ventilation
**Applicable Head Circumference:**
- Size M: 56-58cm
- Size L: 58-61cm
**Colors:** Moon White / Racing Black
**Craftsmanship:** Integrated molding
**Material:** PC shell + EPS foam
**Dimensions:**
- Length: Approximately 26.5cm
- Width: Approximately 21.5cm
- Height: Approximately 18.5cm
**Certifications:** GB (National Standard), SGS
**Safety Standards:** SGS, MA, CNAS, TESLS
**Safety Certification Number:** 624,2313,13,1X
**Design:** Original GUB design with G-shaped logo
**Ventilation:** 21 large ventilation holes for airflow
**Material:** Imported high-density EPS foam
**Impact Resistance:** Thickened PC shell with dual-mode molding technology
**Comfort:** Removable and washable inner lining with thick sponge padding
**Adjustability:** 360° head circumference adjustment for a customized fit
**Strap:** Fan-shaped adjustable strap for a comfortable and secure fit
**Chin Pad:** Sweat-absorbent and soft for long-wearing comfort
**Buckle:** ITW smooth buckle for quick and secure fastening
**Color Options:** Moon White, Racing Black
*Note: Measurements may vary slightly due to different measurement methods. Please refer to actual product for precise details.*
