Ops-Core FAST - Sizing Guide; Helmet Sizing Guide; Chinstrap Sizing Guide

HELMET SIZING GUIDE
X-LARGE
FAST HELMET SIZE CHINSTRAP SIZE (
in
)
M
MEDIUM
L
XL
LARGE
XXL
XX-LARGE
29-32.3
27.5-30.5
26-29
24.5-27.5
CHINSTRAP SIZING GUIDE
Certain head shapes may require a smaller or larger chinstrap
than the one that comes with the helmet you selected. The sizing
guide is provided for reference. If you feel a different chinstrap
size is needed, contact Ops-Core customer service.
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2 0
FAST HELMET SIZE
Head Circumference (cm)
Head Circumference (in)
Head Size (US)
53 - 56
20⁄ - 22
M
up to 7
56 - 59
22 - 23¼
L
up to 7⁄
59 - 62
23¼ - 24⁄
XL
up to 7⁄
62 - 64.5
24⁄- 25⁄
XXL
up to 8⁄
13
14
15
16
17
18
19
2 0
2
1
RUN MEASURING
TAPE ALONG FRONT
EDGE OF EAR
FAST helmets have been designed from the ground up to t the largest group of users in helmet sizes that most
closely match their heads. However, there is still a small percentage of users that will not t our standard sizing
congurations. Please use the sizing guide below to determine your helmet size and your chinstrap size.
SIZING GUIDE
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