O'Neal Racing Sierra II Slingshot Helmet

Details

• ABS shell
• Weight: 1590g (± 50g)
• 1 clear visor and 1 tinted visor included
• Very soft, sweat absorbing inner padding is removeable and washable
• Vent holes for optimal ventilation
• Height adjustable helmet shield
• Double-D safety lock
• Compliant with the standards and ECE 22-05 and DOT
• For proper fit and size measure the circumference of your head 1" above your eyebrows and around the largest portion of the back of your head.
  20 1/2" - 21 1/8" -------- X-Small
  21 1/4" - 22 1/8" -------- Small
  22 3/8" - 23 1/8" -------- Medium
  23 1/4" - 23 3/4" -------- Large
  23 7/8" - 24 3/4" -------- X-Large
  24 7/8" - 25 1/8" -------- XX-Large