Super Seer - Customer Service

Sizing Chart for Seer Helmets

  • Using a cloth tape measure placed in the center of your forehead, measure all the way around your head.
  • Write down the result in inches or centimeters.
  • Use the sizing chart, convert your measurement to the nearest helmet size.
  • PLEASE NOTE: X-Large sizes are NOT returnable. Please verify an X-Large size prior to ordering. If you have any questions, please contact us.
Inches Centimeters Hat Size Helmet Size
21 1/4 54 6 3/4 Small
21 5/8 55 6 7/8 Small
22 56 7 Medium
22 3/8 57 7 1/8 Medium
22 3/4 58 7 1/4 Medium
23 1/8 59 7 3/8 Large
23 1/2 60 7 1/2 Large
23 7/8 61 7 5/8 Large
24 1/4 62 7 3/4 Large
24 5/8 63 7 7/8 Large
25 1/8 64 8 X-Large
25 1/2 65 8 1/8 X-Large
26 66 8 1/4 X-Large
26 3/8 67 8 3/8 X-Large