Cyber U-72 Eagle Half Helmet with Internal Shield. Features Retractable internal sun shield Removable/ washable liner Polycarbonate shell DOT Certified Sizing To find the Correct size helmet for a person's head: Measure the head circumference one-inch above the eyebrows and ears Using the circumference measured, use the size chart below to find the approximate size Once you have tried on the helmet it should fell snug equally around the head. The helmet should not feel too tight or too loose at any point around head. ***Please remember that all head shapes vary slightly and that this sizing chart is to be used as a starting guide, not an exact guide. Size Chart Size CM: IN: 3X Small 49 - 50 19 1/4 - 19 5/8 2X Small 51 - 52 20 1/8 - 20 1/2 X Small 53 - 54 20 7/8 - 21 1/4 Small 55 - 56 21 5/8 - 22 Medium 57 - 58 22 3/8 - 22 3/4 Large 59 - 60 23 1/8 - 23 1/2 X Large 61 - 62 24 - 24 3/8 2X Large 63 - 64 24 3/4 - 25 1/8 3X Large 65 - 66 25 5/8 - 26
