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Motorcycle Helmet Fit and Sizing Guide

October 16, 2022

No matter how and where you ride, there’s no two ways about it: a motorcycle helmet is one of the most important and effective pieces of safety equipment available. While it’s also a style statement, riders should take their helmet investment seriously—and find a helmet that not only looks great but fits properly.

Start your search with the help of our motorcycle helmet fit guide. Learn how to choose the right size helmet, in the right style for your riding needs, with the info we’ve compiled here—and you’ll be ready to make an informed investment in this all-important piece of headgear.


Choosing a Style of Motorcycle Helmet

Although the most important aspect of wearing a helmet is protecting yourself on the road, it still needs to match your needs as a rider. Explore your helmet style options below and narrow your search for the helmet that fits you best.

men on bikes

How to Find the Right Fit

Once you’ve picked a type of helmet that suits your riding style and needs, it’s time to work on finding the right fit. 


How to Measure Your Head for a Motorcycle Helmet

To take the proper measurement of your head and evaluate helmet manufacturers’ size charts, you’ll need a measuring tape. Place the tape about 1 inch above your eyebrows and ears and measure around the largest diameter of your head.  


Motorcycle Helmet Size Charts

With your measurements handy, refer to the helmet's size chart to find a size since not all manufacturers are the same, and each helmet will fit differently. 

Trying on a New Motorcycle Helmet

Even with a good idea of your measurements and what might be your proper size, there’s still no substitute for actually trying a helmet on. Follow these steps to ensure a proper fit.

helmet fit guide
  1. Put on the helmet and tighten the chin strap until it's comfortably snug.
    If there’s space between your brow line and the inner lining – or you’re able to roll the helmet forward or off your head – try a smaller size.  If you experience any discomfort around your head, you may need a larger size.
  2. Move the helmet from side to side and front to back.
    Your skin and scalp should move as the helmet moves and the helmet should fit as tightly as you can wear comfortably.
  3. Wear the helmet for at least 15 minutes prior to purchase.
    If the helmet becomes uncomfortable, try another size, a different helmet or different shell style. Don’t forget to wear your eyewear or options like sun shield while wearing the helmet.
  4. Check your range of vision to the left, right, up and down.
    Once you’ve found a helmet that fits well, ensure no part of the helmet obstructs your field of vision to help ensure a safe, comfortable ride.
helmet protection diagram


Our team of product experts have partnered with industry leading helmet manufacturers, who utilize the latest technology in developing cutting-edge helmets that help protect, increase comfort, and enhance the ride. 


What sets Harley-Davidson helmets apart from the rest?

Not only are we offering top of the line helmets, all H-D® Helmets feature unique and custom H-D® styling with use of key colors, graphics and hardware. All styles of H-D® helmets are available through our dealerships, making it easy to find the perfect helmet.

See something that catches your eye? Shop all Harley-Davidson® motorcycle helmets for men and women or find your local Harley-Davidson® dealer and try on the helmet of your choice today to ensure a perfect fit.
people sitting at a picnic table
Riding Gear for Men & Women
Harley Davidson motorcycle gear is designed to provide both style and protection from the elements.