How To Fit A Helmet
STEP 1 - MEASUREMENT
Measuring the head is 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. The circumference of the head should be measured 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 to make sure you have the largest one.
STEP 2 - POSITIONING
Once you have determined the measurement and consulted the Bell Racing sizing chart, select the helmet that is closest in size to the tape measurement and try on the helmet. If it is between sizes, round up to the next largest one. If you use a balaclava or head sock, always measure and fit the helmet with it on.