Eliminating neck fatigue on those long trips with your motorcycle scooter moped cruiser touring bike motorbike or other street bike. ABS helmet body: high quality ABS shell, impact resistant, anti-penetration. EPS High Density Buffer Layer: High Impact Resistance, Safe Driving. Comfortable lining for the skin: soft and comfortable, cool and breathable, keep your head cool. With HD anti-glare sun visor Portable buckle. The length can be adjusted, will not fall off, very tight. Certification: DOT Safety Certification Applicable season: four seasons Applicable people: adult Applicable gender: unisex Style: Half Helmet, The helmet is only 800g±50g, Vehicle service type: motorcycle, street car, scooter, outdoor adventure, off-road vehicle, snowmobile, cruiser, etc. Please carefully measure your head circumference before buying to avoid buying mistakes. The correct method of measuring head circumference: From the root of the forehead to the back 2 cm (around the head), you need to calculate the hair. size: M head circumference/ 54-56cm L head circumference/ 57-59cm XL head circumference/60-62cm Package Contents: 1*Half helmet Good after-sales service: If you receive damaged or damaged items, please feel free to contact us. We will respond within 24 hours.