Sizing Information
If you are unsure about your size, compare your body measurements to the size charts provided to determine the correct fit. These charts will give you a good idea of the size to order, but be sure to read special sizing information that may accompany an item description. Some merchandise dimensions may vary from the averages charted here.
Size Charts (PDF)
SE3 / AIR Helmets
| Helmet Size |
Hat Size |
CM |
Inches |
| X-Small |
6-5/8 to 6-3/4 |
53 to 54 |
20-7/8 to 20-1/4 |
| Small |
6-3/4 to 7 |
54 to 56 |
21-1/4 to 22 |
| Medium |
7 to 7-1/4 |
56 to 58 |
22 to 22-3/4 |
| Large |
7-1/4 to 7-1/2 |
58 to 60 |
22-3/4 to 23-5/8 |
| X-Large |
7-1/2 to 7-3/4 |
60 to 62 |
23-5/8 to 24-1/2 |
| XX-Large |
7-3/4 to 7-7/8 |
62 to 63 |
24-1/2 to 24-7/8 |
| Shell Sizes: |
XS-L |
XL-XXL |
EPS Sizes: |
XS-S |
M-L |
XL-XXL |
*Headliners and Cheekpads can be interchanged within the same EPS size. SE3 Cheekpads are interchangable through the entire size range.
D3 Helmets
| Helmet Size |
Hat Size |
CM |
Inches |
| X-Small |
6-1/2 to 6-5/8 |
52 to 53 |
20.5 to 20.9 |
| Small |
6-3/4 to 6-7/8 |
54 to 55 |
21.3 to 21.7 |
| Medium |
7 to 7-1/8 |
56 to 57 |
22 to 22.4 |
| Large |
7-1/4 to 7-3/8 |
58 to 59 |
22.8 to 23.2 |
| X-Large |
7-1/2 to 7-3/4 |
60 to 62 |
23.6 to 24.4 |
| XX-Large |
7-7/8 to 8-1/8 |
63 to 65 |
24.8 to 25.6 |
| Shell Sizes: |
XS-L |
XL-XXL |
EPS Sizes: |
XS-S |
M-L |
XL-XXL |
*Headliners and Cheekpads can be interchanged within the same EPS size.
D2 Helmets
| Helmet Size |
Hat Size |
CM |
Inches |
| XS/SM |
6-1/2 to 6-7/8 |
53 to 55 |
21 to 22 |
| MED/LG |
7 to 7-3/8 |
56 to 59 |
22.4 to 23.3 |
| XL/XXL |
7-1/2 to 7-3/4 |
60 to 62 |
23.7 to 24.5 |
| Shell Sizes: |
XS-S |
M/L-XL/XXL |
EPS Sizes: |
XS-S |
M-L |
XL-XXL |
*Interiors cannot be interchanged, since they already combine sizes.
Knee Braces
| Circumference |
Small |
Medium |
Large |
X-Large |
XX-Large |
| 6" Above |
14.5-17" |
17-19.5" |
19.5-22.5" |
22.5-25.5" |
22.5-30" |
| Mid-Patella |
11.5-13" |
13-15" |
15-17" |
17-19" |
19-22" |
| 6" Below |
11.5-13" |
13-14.5" |
14.5-16.5" |
16.5-18.5" |
18.5-22" |
Grand Prix Youth Pants
| Size |
Waist (Relaxed) |
Waist (Stretched) |
Inseam |
Length |
| 18 |
16" |
20" |
17.3" |
24.8" |
| 20 |
18" |
22" |
19.3" |
27.5" |
| 22 |
20" |
24" |
20.8" |
28.7" |
| 24 |
22" |
26" |
22" |
30.7" |
| 26 |
24" |
28" |
23.2" |
32.7" |
| 28 |
26" |
30" |
24" |
34.2" |
Girls Grand Prix Pants
| Size |
Waist (Relaxed) |
Waist (Stretched) |
Inseam |
Length |
| 3/4 |
29" |
31" |
31.1" |
40.9" |
| 5/6 |
31" |
33" |
31.5" |
41.3" |
| 7/8 |
33" |
35" |
32.3" |
42.1" |
| 9/10 |
35" |
37" |
32.3" |
42.1" |
| 11/12 |
37" |
39" |
32.3" |
42.1" |
Girls Rev Pants
| Size |
Waist (Relaxed) |
Waist (Stretched) |
Inseam |
Length |
| 3/4 |
27.5" |
29.5" |
32.7" |
40.7" |
| 5/6 |
29" |
31" |
33.3" |
41.7" |
| 7/8 |
31" |
33" |
33.3" |
41.7" |
| 9/10 |
33" |
35" |
33.3" |
41.7" |
| 11/12 |
35" |
37" |
33.9" |
42.3" |
Girls Moto Shorts
| Size |
Waist (Relaxed) |
Waist (Stretched) |
Inseam |
Hip Width |
| Small (3/4) |
29" |
31" |
29cm |
98cm |
| Medium (5/6) |
31" |
33" |
31cm |
103cm |
| Large (7/8) |
33" |
35" |
32cm |
108cm |
| X-Large (9/10) |
35" |
37" |
34cm |
113cm |
Denim Jeans
| Waist |
Inseam |
| 30-32 |
31" |
| 34-36 |
32" |
| 38-40 |
33" |
|
|
| |
|
Measurement Guide
The following measurement guide may help you to accurately measure your body for correct fitment various products.
HELMETS
With tape level, measure the widest point of your head, approximately 1 inch above your eyebrows. Call 951-371-5219 for specific information.
KNEE BRACE
Measure the circumference 6" above your mid-patella, mid-patella and 6" below mid-patella. Next find a size in the chart below that corresponds to your measurements.
INSEAM
Take a pair of pants that fit you well and measure from the crotch to the bottom of the leg.
PANT LENGTH
Take a pair of pants that fit you well and measure from the waistline to the bottom of the leg.
WAIST - MEN
With tape level, measure at the height you prefer to wear your waistband.
WAIST - WOMEN
With tape level, measure the circumference at the natural bend of the waist.
SOCKS
Use your regular shoe size as a reference.
Worldwide
Brasil
