Specification: Product Name: Motorcycle Helmet. Color: Glossy Black. Material: High quality ABS, high density EPS, flannelette. Style: Half Helmets. Appearance: Portable type. Features: UV protective finished. Safety Standard Certification: DOT. Size (head circumference ): M/L/XL. Fits Head Circumference: M: 22-7/16" to 22-13/16" (57-58cm). L: 23-1/4" to 23-5/8" (59-60cm). XL: 24" to 24-3/8" (61-62cm). (Before purchasing, please confirm the size of the wearers head circumference.) Features: DOT approved for US safety standard. High quality lightweight ABS shell. High-density EPS buffer layer that protects against impact. Adjustable D-ring and chin strap holds the helmet securely on your head. Washable anti-microbial technical fabric Inner comfort padding. Retro and classic German style motorcycle half helmet - never go out of style. Suitable for daily motorcycle riding, cycling, skateboarding, etc. How to Measure: SIZE GUIDE To ensure proper sizing, please do the following: Take a head measurement with a cloth tape measure. Wrap tape measure around your head one inch or 25mm or 2.5cm above your eyebrows,directly above your ears and to the widest area at the back of your head. The widest measurement will give you your helmet size. If you dont have a tape measure, you can use a piece of string and measure using a ruler. Package Included: 1 X Helmet (Please choose the size)