DOT Certified : Yes Our helmets meet or exceed DOT FVMSS 218 specifications. Item: 115Black Color: Black Style: German How to find your size ? Please use a cloth tape to take your measurement. It is better to have a helper do the measuring in order to get a more accurate measurement. The circumference of the head should be measured at a point approximately one inch above the eyebrows, or at whatever point gives the largest possible measurement. If you find that your measurement falls between two sizes, choose the smaller size. XS - 20 1/4 - 20 7/8" ( or 52-53 cm) S - 21 - 21 5/8" ( or 54-55 cm) M - 21 3/4 - 22 3/8" ( or 56-57 cm) L - 22 1/2 - 23 1/8" ( or 58-59 cm) XL - 23 1/4 - 24" ( or 60-61 cm) XXL - 24 1/8 - 24 7/8" ( 62-63 cm)