HELMET SIZING CHART
Be sure to measure around the largest diameter
of your head, including the tips of your ears to ensure a proper
fit. Remember, size conversions are approximate.
|
| Answer Helmet Sizing
|
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6-5/8 thru
6-3/4 |
20 thru 20
1/2 |
X-Small |
| 6-7/8 thru
7 |
21-1/2 thru
22 |
Small |
| 7-1/8 thru
7-1/4 |
22-1/2 thru
22-3/4 |
Medium |
| 7-3/8 thru
7-1/2 |
23 1/4 thru
23 1/2 |
Large |
| 7-5/8 thru
7-3/4 |
24 thru
24-1/2 |
X-Large |
| Anvil Helmet Sizing |
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6 thru
6-3/8 |
20-1/2 thru
21-1/4 |
X-Small |
| 6-1/2 thru
7 |
21-3/8 thru
22 |
Small |
| 7 thru
7-1/4 |
22-1/8 thru
22-3/4 |
Medium |
| 7-1/4 thru
7-1/2 |
22-5/8 thru
23-1/4 |
Large |
| 7-1/2 thru
7-5/8 |
23-5/8 thru
24-3/4 |
X-Large |
| Bell Helmet Sizing |
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6-5/8 thru
6-7/8 |
20-7/8 thru
21-5/8 |
Small |
| 7 thru
7-1/4 |
22 thru
22-7/8 |
Medium |
| 7-1/4 thru
7-1/2 |
22-5/8 thru
23-1/4 |
Large |
| 7-1/2 thru
7-3/4 |
23-5/8 thru
24-1/2 |
X-Large |
| Dyno Helmet Sizing |
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6-3/4 thru
6-7/8 |
21-1/4 thru
21-7/8 |
X-Small |
| 7 thru
7-1/8 |
22 thru
22-3/8 |
Small |
| 7-1/8 thru
7-1/4 |
22-3/4 thru
23-1/8 |
Medium |
| 7-3/8 thru
7-1/2 |
23-1/4 thru
23-3/4 |
Large |
| EBS Helmet Sizing |
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6-1/2 thru
6-3/4 |
20-1/2 thru
21-1/4 |
Small |
| 7 thru
7-1/4 |
21-3/8 thru
22-3/4 |
Medium |
| 7-3/8 thru
7-3/4 |
22-7/8 thru
23-7/8 |
Large |
| Ecko Helmet Sizing |
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6 thru
6-3/8 |
19-3/8 thru
20-3/8 |
X-Small |
| 6-1/2 thru
6-3/4 |
20-1/2 thru
21-1/4 |
Small |
| 7 thru
7-1/4 |
21-3/8 thru
22-3/4 |
Medium |
| 7-3/8 thru
7-3/4 |
22-7/8 thru
23-7/8 |
Large |
| Fox Helmet Sizing |
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6-1/2 thru
6-5/8 |
20-1/2 thru
20-7/8 |
X-Small |
| 6-3/4 thru
6-7/8 |
21-1/4 thru
21-7/8 |
Small |
| 7 thru
7-1/8 |
22 thru
22-3/8 |
Medium |
| 7-1/4 thru
7-3/8 |
23-1/8 thru
23-1/4 |
Large |
| 7-1/2 thru
7-5/8 |
23-1/4 thru
24-3/4 |
X-Large |
| 7-3/4 thru
7-7/8 |
24-3/4 thru
25-1/4 |
XX-Large |
| GT Full Face Helmet Sizing
|
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 7 thru
7-1/8 |
22 thru
22-3/8 |
Small |
| 7-1/8 thru
7-1/4 |
22-3/4 thru
23-1/8 |
Medium |
| 7-3/8 thru
7-1/2 |
23-1/4 thru
23-3/4 |
Large |
| Hoffman Evel Helmet Sizing
|
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6-1/2 thru
6-7/8 |
21 thru
21-1/2 |
Small |
| 7 thru
7-1/8 |
21-5/8 thru
22-1/4 |
Medium |
| 7-1/4 thru
7-1/2 |
22-3/8 thru
23 |
Large |
| Knucklebone Full Face Helmet
Sizing |
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6 thru
6-3/8 |
20-1/2 thru
21-1/4 |
X-Small |
| 6-1/2 thru
7 |
21-3/8 thru
22 |
Small |
| 7 thru
7-1/4 |
22-1/8 thru
22-3/4 |
Medium |
| 7-1/4 thru
7-1/2 |
22-5/8 thru
23-1/4 |
Large |
| 7-1/2 thru
7-5/8 |
23-5/8 thru
24-3/4 |
X-Large |
| Knucklebone Jumper Helmet
Sizing |
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6-3/8 thru
7 |
21-1/4 thru
22 |
Small |
| 7 thru
7-1/4 |
22 thru
22-7/8 |
Medium |
| 7-1/4 thru
7-5/8 |
22-7/8 thru
23-5/8 |
Large |
| O'Neal WF-688 Helmet
Sizing |
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6-5/8 thru
7 |
20-3/4 thru
21-5/8 |
X-Small |
| 7 thru
7-1/8 |
21-5/8 thru
22-3/8 |
Small |
| 7-1/8 thru
7-1/4 |
22-3/8 thru
23-1/4 |
Medium |
| 7-1/4 thru
7-5/8 |
23-1/4 thru
24 |
Large |
| 7-5/8 thru
7-3/4 |
24 thru
24-7/8 |
X-Large |
| Odyssey Apache Helmet
Sizing |
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6-5/8 thru
7 |
20-3/4 thru
21-5/8 |
X-Small |
| 7 thru
7-1/8 |
21-5/8 thru
22-3/8 |
Small |
| 7-1/8 thru
7-1/4 |
22-3/8 thru
23-1/4 |
Medium |
| 7-1/4 thru
7-5/8 |
23-1/4 thru
24 |
Large |
| 7-5/8 thru
7-3/4 |
24 thru
24-7/8 |
X-Large |
| Pro Rider Helmet Sizing
|
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6 thru
6-3/8 |
19-3/8 thru
20-3/8 |
XXS thru
XS |
| 6-3/8 thru
7-3/8 |
20-3/8 thru
22-7/8 |
SM thru
MD |
| 7-3/8 thru
7-3/4 |
22-7/8 thru
23-7/8 |
LG thru
XL |
| Protec Helmet Sizing
|
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6 thru
6-3/8 |
19-1/2 thru
20-7/8 |
X-Small |
| 6-1/2 thru
6-7/8 |
21 thru
21-1/2 |
Small |
| 7 thru
7-1/8 |
21-5/8 thru
22-1/4 |
Medium |
| 7-1/4 thru
7-1/2 |
22-3/8 thru
23 |
Large |
| 7-5/8 thru
7-3/4 |
23-1/8 thru
24-1/2 |
X-Large |
| Troy Lee Helmet Sizing
|
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6-1/2 thru
6-7/8 |
21 thru
22 |
X-Small to
Small |
| 7-
7-3/8 |
22.4 thru
23.7 |
Medium to
Large |
| 7-1/2 thru
7-3/4 |
23.7 thru
24.7 |
X-Large to
XX-Large |
| TSG 1/2 Cut Helmet Sizing
|
| HAT
SIZE |
MEASURED
SIZE |
HELMET
SIZE |
| 6 thru
6-3/8 |
19-1/2 thru
20-7/8 |
X-Small |
| 6-1/2 thru
6-7/8 |
21 thru
21-1/2 |
Small |
| 7 thru
7-1/8 |
21-5/8 thru
22-1/4 |
Medium |
| 7-1/4 thru
7-1/2 |
22-3/8 thru
23 |
Large |
| 7-5/8 thru
7-3/4 |
23-1/8 thru
24-1/2 |
X-Large |
