The S-ONE Big Head Helmet in Navy is a great helmet for people who have a hard time finding helmets that fit them and are looking for a CPSC certified helmet. It is the biggest CPSC Certified helmet available on the market and fits heads with circumferences between 23.75" and 24.25". The S-ONE Big Head Helmet is a professional grade helmet featuring a high-impact EPS foam inner mold for maximum protection. This helmet is CPSC certified for skateboard and bike usage. The Big Head Helmet comes with two sets of sizing liners to insure a perfect customized fit. S-ONE detailing throughout.


  • High impact (hard) EPS inner foam mold
  • Designed to fit bigger, rounder heads
  • 5 x safer than a Soft Foam Helmet
  • XXL and XXXL sizing liners included to insure a perfect fit


  • CPSC, CE EN-1078


  • Small: 21''
  • Medium: 21.5''
  • Large: 22'' 
  • Extra Large: 22.5''


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