DOT FMVSS-218 Certified GDM REBEL Retro Full Face Vintage Matte Black Motorcycle Helmet for Men & Women with GDM SUPERSONIC Bluetooth communication headset package

GDM SuperSonic Motorcycle Helmet Bluetooth Headset features Bluetooth 4.1 connectivity to your smartphone for access to music, phone calls, GPS navigation, and Voice-activated digital assistant access to utilize smartphone's hands-free functions. Up to 12 of hours music/talk time, and 100 hours of standby time on single charge. GDM SuperSonic Bluetooth headset is waterproof and can be used in all weather conditions.

Double D-ring chin strap - Injection-Molded ABS outer shell - Expanded polystyrene inner shell - Contrasting diamond-stitched quilted foam padding liner

For Motorcycle, Cruiser, Street Bike, ATV, UTV, Scooter, Off-road motorcycles and more

Please Refer to The Following Size Guide to Determine Your Correct Size. To Choose Your Correct Helmet Size, Please Measure the Circumference of Your Head 1" Above Your Eyebrows Around Your Head and Refer to The GDM Helmets Size Guide. Please Note That the Size Guide Is for Reference Only and Cannot Guarantee Perfect Fit. S: 21 5/8 – 22 IN | M: 22 ½ -- 22 7/8 IN | L: 23 1/4 -- 23 5/8 IN | XL: 24 -- 24 3/8 IN | 2XL: 24 3/4 -- 25 ¼ IN