Retro Motorcycle Helmet: Novelty vintage helmet made with high-quality ABS Shell, light weight, high strength, can cover the protection area, can avoid injuries in the event of an accident. For your safety, we recommend that your riding speed not exceed 50km/h ≈ [31mph] Comfortable to Wear: Motorcycle open face half helmet is equipped with an adjustable quick release chin strap, excellent wearing feeling, The helmet use comfortable and soft lining, breathable, sweat-absorbing, ensuring safety and taking into account the breathability of the helmet. Lightweight Design: The beanie helmet weighs only 850g to reduce fatigue caused by nerve pressure for long-distance motorbike or urban cycling commuters. Safe Riding Skull Cap: Skull cap helmet can be used by adult men and women. It is suitable for motorcycles, scooters, street cars, mopeds, Four-wheeled vehicle. After-sales Service: If the helmet size is not suitable, we provide free replacement service. Before confirming that the helmet is suitable, try to keep the packaging intact, so as not to affect the exchange, thank you for your understanding. Half helmets are ideal for cruising around and offer great air circulation keeping your head cool. Exterior shell is aerodynamically shaped for ease of cutting through the air with less buffeting and wind noise, thus lessening the stress on the rider's neck muscles after a long ride Applicable gender: neutral/male and female Type: half helmet Material: ABS Head circumference: 56-62cm (22.0-24.4 in) Notice: - Before purchasing, please measure your head's circumference to determine which size is suitable for you. - If you have any questions, please contact us.