A half helmet is the cheapest way into street-legal head protection, which is exactly why the shelf of them is so hard to read. The listings all promise DOT approval, the prices cluster under 50, and nothing on the box tells you which ones fit your head. You are choosing between near-identical matte black shells on faith.

The CARTMAN matte black half helmet sits near the bottom of that price cluster, and it sells in volumes most of its rivals never see. Its verified record is small but clean: thirteen written texts, every one carrying Amazon's purchase badge, which is rarer in this band than it should be.

The catch is where the criticism lands. The top-voted text in the whole record is not praise, it is a sizing complaint, and sizing is the one mistake you cannot return your way out of cheaply.

The short version before the detail. The CARTMAN matte black half helmet in medium costs 34.99 at check time, weighs about two pounds, and carries 4.3 stars from 246 ratings with a 1-year warranty row behind it. It sits in the cheapest fifth of the 257 helmets we track, and the helmet comparison table renders its live spot so you can check that yourself.

The shell, the weight and the quick-release buckle earn their rating on this evidence. The sizing runs its own way, and the record says so more loudly than any bullet does.

CARTMAN matte black half helmet medium size

What 34.99 buys in the helmet aisle

Price first, because it is the strongest fact on the page. At 34.99 this sits in the cheapest fifth of everything we track, and among half helmets specifically only a couple of listings undercut it.

The category rank backs the price up: Amazon prints it at number 16 in Motorcycle & Powersports Helmets, which for a listing this cheap means it is moving in real volume rather than sitting in a long-tail niche.

The paper claims match the price class in the usual ways. The first bullet names DOT FMVSS No. 218, which is the US helmet standard, and the certification works by manufacturer self-certification: there is no pre-market government test of each model, the maker asserts compliance and the mark stands until somebody tests otherwise (Motorcycle helmet, Wikipedia).

The spec table adds a 1-year warranty row, an ABS shell, a quick-release closure and a listed weight of 2.09 pounds, which is light for the category. Included Components reads exactly one helmet, nothing else, so budget nothing extra into the box.

CARTMAN matte black half helmet front view

The top-voted text is a sizing complaint

Here is the detail that should steer your order. The top-voted text in the captured record, at five helpful votes, is a four-star whose entire content is a fit warning. That owner has found it runs large, advised ordering one size down, and reordered on that advice while still calling the helmet great quality.

Two more owners have reached the same conclusion independently: one ordered a medium, found it far too big, exchanged for a small, and now tells buyers to go one size smaller than they think. A large in this shell fits an owner whose baseball caps run 7-1/8, which is a useful anchor if you know your cap size.

But size down is not the whole story, because head shape disagrees too. One owner landed in the middle because the helmet fits long front to back while leaving extra room at the sides, the opposite of a round head's needs, and judged it unsafe on that fit rather than on build.

Another simply called it too bulky on their head, in the record's one-star that praises the comfort in the same breath.

Count the record honestly and you get two owners saying size down, one saying the shape is wrong for them, one saying too bulky, and three saying it fits perfectly or snug and good. The helmet is not mislabeled. It is shaped one way, and your head either matches it or does not.

The wider ratings back that split. In the printed histogram, about 12 percent of ratings sit at two or three stars and 7 percent at one star, so roughly one buyer in five has a gripe, and the written gripes are about fit and bulk rather than about the shell failing. That distribution matches a helmet that does what it promises for the heads it suits.

CARTMAN half helmet vented EPS liner detail

Where the praise is consistent

The positive cluster is narrow, which makes it believable. Light weight leads it: very lightweight for everyday use in one text, with very comfortable turning up in two more.

Build quality words recur across texts that agree on nothing else: sturdy, durable, well made, feels like very good quality. Long-ride comfort has one owner's account behind it, snug and good on long rides.

The quick-release chin strap earns the most consistent praise in the record, three separate texts, including one owner who has said the latch works just like the one on their much more expensive LS2 helmet.

The same record holds the one strap dissent, and it is worth reading in full: that owner has found the strap acceptable but thin for a motorcycle helmet, and returned the helmet after one day. That is the deepest critical look the shell got, and it lasted a day, so the material doubt behind the return was never tested by use.

Two bullet claims go quiet against the same record. The promised thick, fully vented EPS liner draws no mention of ventilation from any owner, so the vents are unverified either way. And the Included Components row names one helmet, yet one owner has praised a visor as a great feature, so box contents appear to drift by shipment or variant.

scooter rider wearing CARTMAN matte black Half helmet

Who is actually riding in it

The title aims the helmet at teens and adults for street, cruiser, scooter and ATV use. The record tells a more specific story. One owner reports an 8-year-old daughter uses it.

Another bought it for riding a mini bike, found it nice for the price, and says plainly they would not recommend it for a motorcycle on the road. Read those two texts together with the volume rank and the picture is clear: this helmet's real audience is property riding, yard use, slow cruising and young riders, the same skew the record showed across this brand's other helmet listings.

That is not a complaint about the helmet, and the record does not support turning it into one. Nobody in the 246 ratings reports a crash.

But if you are shopping for highway speeds, the verified record offers no evidence from anyone riding like that, and the one owner who addressed road use directly steered away from it. The honest reading is that this is a well-liked low-speed helmet whose record comes from low-speed riding, a skew the brand's full-face listing shares.

CARTMAN matte black half helmet three-quarter view

Size down, then check your head shape

The decision this helmet forces is a sizing decision, so make it deliberately. Order a size below your usual, because two owners have paid for that lesson already and the five-vote text at the top of the record exists to teach it.

Then think about your head shape before the box arrives: a long front-to-back fit with loose sides is the shape this shell cut, and round-headed buyers have reported exactly that mismatch. If your helmet history includes pressure points at the forehead or gap at the cheeks, the exchanges other owners ran are the cheapest path to the right answer.

The table route comes last. The helmet comparison table sorts every half helmet we track by price, and a couple of listings sit below this one, so a shape mismatch is cheap to fix by walking rather than by settling. Owners who ran the exchange path got there cheaply, which is the practical route this record documents, and the 1-year warranty row gives you a year to find out.

Frequently Asked Questions

Is this helmet DOT certified?

The listing's first bullet states it meets or exceeds DOT FMVSS No. 218, which is the US motorcycle helmet standard. DOT certification works by manufacturer self-certification, so the claim rests on the maker's assertion. The spec table and the title repeat the same claim, and no buyer text disputes it.

Should I order my normal size?

Two owners in the record say it runs large and recommend one size down, including the five-vote text, and one exchanged a medium for a small on that advice. One owner has found the opposite shape problem, snug front to back with loose sides. Order a size below your usual and judge the fit against the shape of your own head.

Does it come with a visor?

The Included Components row reads exactly one helmet, but one owner has praised a visor as a great feature, so shipments or variants appear to differ. If the visor is why you are buying, confirm with the seller before ordering rather than trusting the box list.

Is it safe for a motorcycle on the road?

The helmet's DOT claim rests on manufacturer self-certification, and the record contains no crash reports either way. What the record does show is use skewing off-street: an 8-year-old rider, a mini bike, and one owner who would not recommend it for road motorcycles. Match it to your riding, not to the title.

How does the quick release buckle hold up?

Three texts praise the quick-release strap, including a direct comparison with a more expensive helmet's latch. One dissenting owner found the strap thin and returned the helmet after a day, so the strongest doubt on file lasted one day of use. The weight of the record sits with the praise.