Quin Helmet Sizing Guide


Determining your head shape will help you choose a size that will fit comfortably.  There are three primary helmet shapes: 

  1. Long Oval - this shape is much longer front to back than it is wide from side to side. 
  2. Intermediate Oval - this shape is slightly longer front to back than it is wide from side to side. It is the most common shape, especially among all American brands.
  3. Round Oval - this shape is almost equal front to back as it is side to side. 

Understanding your head shape helps you ensure you choose a helmet that will provide you enough space and flexibility. Quin Helmets come in two shapes - intermediate oval and round oval. See the chart at the end of this page. 


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Know your head measurements before choosing a helmet size! Here is how to ensure you know your size: 

  • Take a soft (paper or cloth) measuring tape to measure your head. If you do not have a soft measuring tape, you can use a string and lay it flat against a measuring tape to measure the length. 
  • Measure around the largest part of your head, approximately 1 inch (2cm) above your eye brows. If you have long hair, make sure you take your measurement with your hair worn as you would while riding. 
  • For accuracy, it is best to have another person help take this measurement for you.
  • Compare your measurement to the Quin Sizing Chart. 


Quin Helmets are designed for a safe, snug fit. Every Quin Helmet also comes with additional padding that helps you customize your fit. If you are between sizes, choose the size larger rather than the size smaller. The additional padding will help provide a good fit, while ensuring the helmet is not too small for you. 

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If you require any assistance with choosing your helmet size, please contact us at hello@quintessential.design.