U-Lock Vents

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Grab a measure tape.
(or if you don’t have one handy, grab a string and a ruler)

Measure around your head ( in inches ) taking the measuring
tape just above the ears and about an inch above the brow line.

Inches

Select your head shape

round

rectangular

oval

On a scale of 1 - 5 - how much hair do you have?

1 2 3 4 5

Your size is:

for the

Your helmet should fit snug on your head, so that you can wave your head to either side without it shifting.

Select and continue