Duke DK-100B Black Full Face Motorcycle Helmet Medium

Description

To choose your correct size, please measure the circumference of your head 1" above your eyebrows around your head and refer to the following size guide. Small = 22 - 22 7/16 | Medium = 22 13/16 - 23 1/4 | Large = 23 5/8 - 24 | X-Large = 24 3/8 - 24 13/16 | 2X-Large = 25 3/16 - 25 5/8