GDM® ADULT HELMET SIZE CHART
The size chart is for reference only and does not guarantee a perfect fit. Always try the helmet on and follow the manual’s instructions for a proper fit.
|
SIZE
|
CENTIMETER
|
HAT SIZE
|
INCHES
|
|
S
|
55-56
|
6 7/8 – 7
|
21 5/8 – 22
|
|
M
|
57-58
|
7 1/8 – 7 1/4
|
22 1/4 – 22 7/8
|
|
L
|
59-60
|
7 3/8 – 7 1/2
|
23 1/4 – 23 5/8
|
|
XL
|
61-62
|
7 5/8 – 7 3/4
|
24 – 24 3/8
|
|
2XL
|
63-64
|
7 7/8 – 8
|
24 3/4 – 25 1/4
|
GDM® YOUTH HELMET SIZE CHART
|
SIZE
|
CENTIMETER
|
HAT SIZE
|
INCHES
|
|
YOUTH S
|
49-50
|
6 1/8 – 6 1/4
|
19 1/4 – 19 3/4
|
|
YOUTH M
|
51-52
|
6 3/8 – 6 1/2
|
20 – 20 1/2
|
|
YOUTH L
|
53-54
|
6 5/8 – 6 3/4
|
20 7/8 – 21 1/4
|
|
YOUTH XL
|
55-56
|
6 7/8 – 7
|
21 5/8 – 22
|
HOW TO MEASURE
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure, and use the largest measurement.
