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Sullivan Antic Helmet Size Guide

Ensuring your child has the right helmet size is crucial for their safety and comfort while riding. Use the guide below to find the perfect fit for your child's helmet.

Small Size Guide

  • Head Size: 19.6" - 21.2" / 50 - 54 cm

The Small size helmet is designed for younger children, providing a secure and comfortable fit for head circumferences between 19.6 and 21.2 inches (50 to 54 cm).

Medium Size Guide

  • Head Size: 21.2" - 22.8" / 54 - 58 cm

The Medium size helmet is suitable for older children, fitting head circumferences between 21.2 and 22.8 inches (54 to 58 cm).


Fitting Tips:

  • Measure your child’s head circumference at its widest point, typically just above the eyebrows.
  • The helmet should fit snugly without being too tight, with no gaps between the helmet and the head.
  • Adjust the straps and pads to ensure a secure and comfortable fit.

Choosing the right size will help keep your child safe and comfortable while they enjoy their rides.