ネオライダース ハーフヘルメット NR-2

The item you mentioned, "NEORIDERS ネオライダース ハーフヘルメット NR-2" (presumably a half helmet from the NEORIDERS brand), typically refers to a motorcycle or biking helmet designed for style and safety.
Half helmets generally cover the top of the head while leaving the face and neck exposed, offering a classic look favored by many bikers. They often come with various features like ventilation, comfortable padding, and sometimes additional safety certifications.
If you are looking for specific details such as size, weight, safety certifications, or where to purchase it, please let me know!