1. Material: The open design shell provides protection, combined with a wide field of vision to prevent claustrophobia, and the ABS helmet has high impact resistance. The internal EPS foam cushioning layer can cushion the friction and collision that occurs during riding, which can effectively avoid secondary head injuries when accidents occur.2. Comfortable lining + quick buckle: soft and comfortable inner lining can prevent peculiar smell. Even in hot weather, the head can be very comfortable and fit your head shape very well. Ten-segment quick buckle, more convenient and safer to use.3. FEATURES: The vintage helmet has a removable sun visor and an attachment for aviator goggles or motorcycle goggles on the back. This makes the crash helmet versatile. The cool combination of the cool look of the helmet enables you to drive your cruiser, scooter, moped and ATV safely.4. Click-n-Secure quick release: The helmet has a single-handed Click-n-Secure quick release, which ensures uncomplicated opening and closing even when wearing gloves.5. Size \u0026 Weight: The product weighs 1020 grams (+ -50g) and is available in sizes S (55 ~ 56cm), M (57 ~ 58cm), L (59 ~ 60cm), XL (61 ~ 62cm), XXL (63 ~ 64cm) available. To find the right size, measure your head circumference at the widest point above your ears.