41+ Ski Helmet Size Chart Youth Images. Take a tape measure and measure the circumference around the widest part of your child's head, usually 5 youth & kids helmet size chart. Ski & snowboard helmet size chart.
Measure around a flat hand at the knuckles, but do not include thumb.
This is especially important if you if possible, consult with the manufacturer's sizing chart before trying on helmets. You will have to try the helmet on to determine if it fits the shape of your head. Measuring the circumference of head, just above the top of the ears and brows. For helmet size, measure the circumference of the head just above the ears and refer to the chart for accurate sizing.