Helmet Fit & Sizing 6 min read

Is It Safe to Buy a Helmet Online Without Trying It On?

New motorcycle helmet in an open delivery box beside a laptop showing a size chart

Yes, in general terms, it is safe to buy a helmet online without trying it on, as long as you measure your head carefully, check the maker’s size chart, and buy from a shop with a clear returns policy. Many riders buy helmets online with no trouble, because a careful measurement and the right size chart usually point to the correct size. The risk is a poor fit, not a fake or unsafe helmet, and that risk is much lower when you buy a known brand from a trusted seller. Take your time, measure twice, and keep the packaging until you are sure the fit is right.

How Do You Measure Your Head for an Online Helmet Order?

Measure your head with a soft tape measure, wrapped around the widest part, just above your eyebrows and ears. Keep the tape level and snug, but not tight, and write down the measurement in centimetres. Measure two or three times to be sure, and if you fall between two sizes, check the maker’s advice: some brands suggest sizing up, others suggest the smaller size. Your head shape matters too, so note whether your head is round, oval, or long, because a round head in an oval-shaped helmet will feel tight at the front and back.

Do not guess your size from a hat size or from an old helmet, because sizing varies between brands and even between models from the same maker. In general terms, a helmet size chart is only useful if your measurement is accurate, so take the extra minute to get it right. If you have a local shop nearby, you can try on a helmet there to confirm your size and shape, then order the same model online if the price is better.

What Should You Check Before You Buy a Helmet Online?

Before you order, check the helmet’s safety standard and make sure it matches the rules where you ride. Look for the standard label in the product description and photos, and be wary of listings that do not mention one at all. Check the seller too: buy from the maker’s own shop or a well-known retailer, and read recent reviews of both the helmet and the seller. Very cheap prices from unknown sellers can be a warning sign, since fake helmets do exist.

Read the full product description, including the weight, the shell sizes, and whether the helmet comes in different shell sizes or just different padding. Check what is included, such as a visor, a carry bag, or spare padding, so you are not surprised when it arrives. In general terms, a listing that is clear, detailed, and honest is a good sign, while a listing with vague claims and no standard shown is worth avoiding.

person measuring their head with a soft tape measure above the eyebrows with a new boxed helmet and laptop showing a size chart

How Can You Tell if the Helmet Fits When It Arrives?

When the helmet arrives, try it on indoors with the strap fastened, and wear it for at least fifteen minutes. It should feel snug all round, with even pressure and no painful spots, and it should not move easily when you shake your head. Push it gently from side to side and front to back: your skin and cheeks should move with it, not slide underneath it. If it presses hard on your forehead or feels loose at the back, the size or shape is wrong.

Check that the strap sits comfortably under your chin and that you can fit no more than two fingers between the strap and your chin. Look in a mirror to see that the helmet sits level, not tilted back or forwards, and that the bottom edge is just above your eyebrows. In general terms, a new helmet feels tighter than an old one, and the padding will settle a little with use, but it should never hurt. If it hurts after a few minutes, send it back.

What Should You Do if the Helmet Does Not Fit?

If the helmet does not fit, do not wear it on a ride. Try a different size of the same model first, since many fit problems are just a size issue. Some helmets also have adjustable padding or different cheek pad sizes, so check whether a simple swap would fix it. If the shape is wrong, you may need a different model, because no size of the wrong shape will fit well.

Keep the helmet clean and the box and tags safe until you are sure, so a return is easy. This is why the returns policy matters so much: check before you order how long you have to return it, whether returns are free, and whether a worn helmet can still be returned. In general terms, a shop that offers free, easy returns is the safest place to buy a helmet online, because it removes the risk of being stuck with a helmet that does not fit.

Is It Safe to Buy a Cheap Helmet Online?

A cheap helmet can be safe if it meets the required safety standard and comes from a genuine maker, because the standard, not the price, is what sets the minimum protection. But a very cheap helmet from an unknown brand, with no clear standard and no traceable seller, is a risk. Fake helmets can look convincing in photos while offering little real protection, so price alone is not a safe guide.

Stick to brands you recognise, and buy from sellers you can check. Read reviews from riders who have used the helmet, not just the seller’s description, and look for signs that the seller is authorised. In general terms, a good deal on a known helmet from a trusted shop is fine, but a bargain from a seller you cannot verify is not worth the risk. Your head is worth more than the saving.

What Are the Advantages of Buying a Helmet Online?

Buying online gives you more choice than most local shops, with a wider range of sizes, colours, and models in one place. Prices are often lower, and it is easy to compare helmets side by side, read reviews, and check size charts before you decide. For riders who live far from a good shop, or who need an unusual size, online shopping may be the only practical option.

Online shops also make it easy to check stock and delivery times, and many offer fitting advice by message or phone. The trade-off is that you cannot try the helmet first, so you need to be more careful with measuring and returns. To understand more about how modern helmets protect your head, it helps to read about what MIPS is for helmets. In general terms, buying online is safe when you measure well, buy a known brand from a trusted seller, and keep the option to return it.

Is it safe to buy a helmet online without trying it on?
Yes, in general terms, it is safe if you measure your head carefully, follow the maker’s size chart, and buy a known brand from a trusted seller with a clear returns policy.

What if my helmet size is between two sizes?
Check the maker’s advice, since some brands suggest sizing up and others suggest the smaller size. If you are unsure, order from a shop with free returns so you can try both.

How do I know an online helmet is genuine?
Buy from the maker’s own shop or a well-known retailer, check that the safety standard is shown, and be wary of very cheap prices from sellers you cannot verify.

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Written by

Olivia

Writer at Helmet Today, covering helmet reviews, fit and riding safety.

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