29+ Helmet Size Chart Shoei Pictures. If your head measurement falls between two helmet your shoei helmet is covered under warranty for five years from purchase date or seven years from the date of manufacture, whichever comes first. Our shoe size conversion charts will help you convert across most sizes worldwide.
Size charts on this page involves charts like shoe size, hat size, cloth size, bra size and more.
Determine your protection gear size. Determine your protection gear size. To achieve proper helmet fitment, begin by finding your head circumference size using the method described. Youth apparel size chart (inches).