[Retro Style Half Helmet]: AHR RUN-G Half Face Helmet comes in a retro German style combining low-profile design and matte black finish for avoiding scratches and fingerprints, presenting a subtle, understated look that never goes out of date; Features full-ventilated half-face design for keeping you cool and comfortable while riding chopper, cruiser, scooter and more

[Safe Protection]: The helmet is DOT FMVSS-218 certificated to provide safe protection to your head during motorcycle rides, featuring strong ABS outer shell combined with a dense elastic foam for premium impact resistance

[Enhanced Wearing Comfort]: Lightweight ABS construction weighs only 2 Lbs, which lessens the stress on the rider's neck for reduced neck fatigue after a long ride, along with high density and breathable EPS liner for good impact absorption while reducing sultry heat for comfortable wearing

[User-Friendly]: Equipped with adjustable chin strap with a quick release buckle for easy adjustment and securing or loosening so that you can take on and off the helmet effortlessly

[Measuring Tips]: Fits Head Circumference: 23 5/8" to 24" (60 to 61 cm); Please measure your head's circumference before purchase, just wrap the flexible measuring tape around your head and position it on the broadest part of your forehead above eyebrow and the most prominent part of the back of your head