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Proper fit is vital to the performance of any helmet during an impact. For the helmet to perform properly during an impact, it must stay securely on the head. Measuring the head is only a starting point for the entire sizing procedure. Due to varying shapes, heads that are apparently the same size when measured by a tape may not necessarily fit the same size helmet.

A small metal tape measure or a cloth tape may be used to make your initial measurement. You can also use a string, which can then be laid against a measuring tape. Measure the circumference of the head at a point approximately one inch above the eyebrows in front, and at a point in the back of the head that results in the largest possible measurement. Take several measurements. The largest measurement is the one you want to use. This procedure applies to both our auto racing and EMT helmets.

All forms of auto racing and motorized sports are dangerous. No product can protect the user against all possible or foreseeable accidents, even ones at low speed. For maximum protection, the helmet must fit properly with the chin strap securely fastened and allow for proper peripheral vision.

Auto Racing Sizing Chart

SizeHat SizeInchesCentimeters
S7 to 7 1/822 - 22 3/856-57
M7 1/4 to 7 3/822 3/4 - 23 1/458-59
L7 1/2 to 7 5/823 5/8 - 2460-61
XL7 3/4 to 7 7/824 3/8 - 24 3/462-63

EMT-1 Sizing Chart

SizeHat SizeInchesCentimeters
XXS6 1/2 to 6 5/820 1/2 - 20 7/852-53
XS6 3/4 to 6 7/821 1/4 - 21 5/854-55
S7 to 7 1/822 - 22 3/856-57
M7 1/4 to 7 3/822 3/4 - 23 1/458-59
L7 1/2 to 7 5/823 5/8 - 2460-61
XL7 3/4 to 7 7/824 3/8 - 24 3/462-63
XXL825 1/464