Pro-Tec Classic Liner L

- Is your head shrinking or expanding? Time for a new protec helmet liner maybe? Fits all classic helmets.

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  Your Head MeasurementSize You Need

  
  

  51cm - 52cm (20.1 inches - 20.5 inches) - Junior

  
  

  53cm - 54cm (20.9 inches - 21.3 inches) - Small

  
  

  55cm - 56cm (21.7 inches - 22.0 inches) - Medium

  
  

  57cm - 58cm (22.4 inches - 22.8 inches) - Large

  
  

  59cm - 60cm (23.2 inches - 23.6 inches) - X-Large