Specification Brand : Oubaiya BulletPoint1 : 1,Size Fits head circumference: 22.4" to 25.2"(57-64cm),Our products may be bigger one size than other brands, Please choose a smaller size if you like. BulletPoint2 : 2,Meets or Exceeds FMVSS-218 and DOT Safety Standards BulletPoint3 : 3,Flip up modular helmet with heavily cushioned and comfortable interior BulletPoint4 : 4,Double visors design and air vent design; Tough & high elastic front visor - wear-resistant and impact-resistant for better protection BulletPoint5 : 5,Helmet Liner / Cheek Pads are Lightweight, Soft and Easily Removable and Washable;High Resistance ABS Shell With Micrometrically Adjustable Strap Color : Black CompatibleWithVehicleType : Motorcycle Department : unisex-adult ExternallyAssignedProductIdentifier1 : 845468070444 ExternallyAssignedProductIdentifier2 : 0845468070444 FitType : Universal ImportDesignation : Imported IncludedComponents : Polyester ItemName : Oubaiya 992 Full Face Motorcycle Helmet, Dual Visor Sun Shield, Flip up Modular, DOT, FMVSS Approved, Tinted ItemPackageDimensions_Height : 40.64 centimeters ItemPackageDimensions_Length : 27.94 centimeters ItemPackageDimensions_Width : 30.48 centimeters ItemPackageQuantity : 1 ItemShape : VISOR ItemTypeKeyword : powersports-helmets Manufacturer : oubaiya Material : Acrylonitrile Butadiene Styrene (ABS) ModelName : 992 ModelNumber : ST1400 Carbon Full Face Helmet PackageLevel : unit PartNumber : 14C-0037 ProductDescription : Helmet Size Chart
M 22.4" to 22.8"(57-58cm) L 22.9" to 23.6"(59-60cm) XL 23.7" to 24.4"(61-62cm) XXL 24.5" to 25.2"(63-64cm)
Helmet Size Tips
(1)Wrap a measuring tape around your head about a half-inch above eyebrows (2)Take measurement two to three times to pick the largest one.
Flip-up Helmet & Removable Inner Pads
Press the button covered by chin curtain and you will have a flip-up helmet. You could remove and clean the inner pads if necessary.
Vents
Open the vents and ventilate the helmet. The vents on the front and top of the helmet can be closed. With the chin bar in the closed position, the performance is that of a full face helmet, thanks to the streamlined chin guard perfectly integrated into the lines of the shell.