Triple 8 Brainsaver Dual Cert EPS Helmet Rubber Kelly Green Size:L-XL 50mm height diameter x 31

50mm height diameter x 31

Roomy end pockets and wet/dry compartments

5" length with a 14

25" wide x 29

stay safe in the knowledge that stone won't throw you

Triple 8 Brainsaver Dual Cert EPS Helmet Rubber Kelly Green Size:L-XL 50mm height diameter x 31Triple 8 Brainsaver EPS Helmet Rubber Kelly Green Features: Dual Certified: Complies with U. S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older and ASTM F 1492 Skate safety standards Measurement guide measure circumference of your head starting in the middle of your forehead. Xsmall Small 19. 7 21. 5 in (50 55 cm.) Small Medium 21. 5 22. 75 in (55 58 cm.) Large Xlarge 22. 75 24 in (58 61 cm.) ABS Outer Shell with EPS liner