Size Guide - A3 Helmet
Measuring your head with a fabric tape measure around the circumference of your head holding the tape just above your eyebrows and ears. 1" = 25mm
| A3 Helmet Size Chart | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Head Circumference |
Inches | 20 7/8 | 21 1/4 | 21 5/8 | 22 | 22 3/8 | 22 3/4 | 23 1/4 | 23 5/8 | 24 | 24 3/8 | 24 3/4 |
| Hat | 6 5/8 | 6 3/4 | 6 7/8 | 7 | 7 1/8 | 7 1/4 | 7 3/8 | 7 1/2 | 7 5/8 | 7 3/4 | 7 7/8 | |
| CM | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | |
| Helmet Model | Bike Helmets | |||||||||||
| A3 | XS/S | M/L | XL/XXL | |||||||||
| Headliner Pad Compatibility | XS/S | M/L | XL/XXL | |||||||||