Matt black takes the shine out and leaves the shape. On a jet that gets handled at every stop — on, off, carried, set down — a flat finish is the practical choice rather than the stylistic one.

What an open-face helmet does and does not do

Riders choose a demi-jet for reasons that are entirely practical in a city: a wide field of view, air on your face at every stop, glasses that go on and off without a fight, and a helmet you will put on for a five-minute errand.

🔵 What you give up is chin and jaw protection. There is no chin bar, and the open-face category under ECE 22.06 does not require one.

About the matt black finish

An open-face helmet is handled far more than a full-face: put on and taken off several times a journey rather than once, carried by the edge, set down on café tables and pillion seats. That handling is exactly what a flat finish absorbs best — there is no gloss layer for a scuff to catch in, so the marks a city helmet accumulates simply do not read. 🔵 The counterweight is conspicuity, and this is the least visible version in the range on a helmet used where being seen matters most. Matt also holds dry dust more readily than gloss, and it is washed rather than polished.

HIRP, ECE 22.06 and DOT

What a thermoplastic shell means in practice: it is injection-moulded rather than laid up by hand, which makes it cheaper to produce and heavier than a composite of equal strength. It also makes it very consistent, because the process is machine-controlled.

🔵 On a demi-jet the weight penalty matters less than on a full-face — there is simply less helmet.

MT-ESP — a full-coverage sun visor on a jet

Sunset on a westbound commute is the condition that decides whether a sun visor was worth having, and it is precisely the condition a fixed tinted visor handles worst — half an hour later it is dark and you cannot see through it.

🔵 A drop-down shield retracts in a second and costs you nothing when it is up. The Cosmo SV's is full-coverage under the MT-ESP programme.

The MT-V-37 visor and the patented MT-QVSS

An extended visor on a demi-jet does something a standard one cannot: it covers more of the face against rain and wind at speed, which is the main practical weakness of the format.

🔵 The MT-V-37 is MT's answer, and it swaps out in seconds through MT-QVSS without a single tool.

Active ventilation and the removable rear deflector

Comparing a jet's ventilation with a full-face's is close to meaningless, because the largest air intake on an open-face is the face opening itself. What the vents manage is the crown — the part still covered.

🔵 The Cosmo SV's system is front intakes plus a rear exhaust, with a removable deflector to tune the balance.

The MT-Micrometric+ closure

The closure is one of the places an inexpensive helmet most often disappoints, because a ratchet with shallow teeth feels loose and works loose. A guaranteed two-tooth minimum engagement is MT's answer to that.

🔵 It is still worth checking the strap length every few months; a ratchet's set position drifts with use in a way a double-D ring's does not.

Interior, fit and intercom preparation

Comfort on an open-face is decided at the edge rather than in the padding. The rim runs across your cheekbones and around your jaw, in full view and in constant contact — a hard or badly finished one is unbearable within twenty minutes.

🔵 The Cosmo SV's interior is fully removable, so the parts that touch your face can be washed rather than merely tolerated.

An intercom on a city helmet earns its keep in traffic rather than on the open road: navigation prompts without looking at a screen, and a call answered without stopping.

🔵 The Cosmo SV has a UCS MT-Rider Sync pre-installation. No system is supplied — the provision is the feature.

The weight figure, and the rest of the honest list

An open-face is loud at speed and there is no engineering fix for it — turbulence reaches your ears directly. Below about 60 km/h that barely matters; on a fast road it does.

🔵 The removable rear deflector is the one control you have over it. Fitted, it smooths the wake; removed, it opens the airflow.

Where it sits in MT's range

Within this model the price ladder is entirely paint. The Pure solids at 106 € and the graphic versions at 115 € share the same shell, the same visor system, the same sun shield and the same closure.

🔵 The cheapest Cosmo SV protects exactly as well as the most expensive.

When something wears out

Helmets are consumables with a long life rather than permanent objects. MT, like every manufacturer, recommends replacement after around five years of use regardless of condition — and immediately after any real impact, because the EPS crushes once and does not recover.

Between those points, everything you touch on this helmet is replaceable.

In the box

• MT Cosmo SV helmet — Pure A1 matt (HIRP shell)
• Extended MT-V-37 visor, fitted
• Full-coverage MT-ESP drop-down sun visor, fitted
• Removable rear deflector, fitted
• 🔵 No Pinlock insert — none is made for the MT-V-37 visor
• 🔵 No intercom — the helmet carries a UCS MT-Rider Sync pre-installation; the system is a separate purchase

Size guide

Specification

• Model — MT-Helmets Cosmo SV
• Part number — 136100PA1203
• Colour — Pure A1 matt — Matt black
• Homologation — ECE 22.06 and DOT. MT states the helmet was designed to surpass ECE 22.06 with all accessories fitted, including the intercom — manufacturer's claim, not an independent finding
• 🔴 Chin protection — none — this is an open-face demi-jet and has no chin bar
• 🔴 Safety rating — none — SHARP does not lab-rate open-face jets; no ADAC or Snell entry, and no independent road test of the Cosmo SV has been published
• Helmet type — Demi-jet / open-face, urban
• Shell — HIRP (High Impact Resistant Polymer)
• Weight — 🔴 MT's published figure is 1.5 kg. Aggregated retail listings suggest ~1350 g ±50; that could not be confirmed on a manufacturer or editorial source, so MT's own number is used here
• Sizes — XS to 3XL (seven sizes)
• Visor — extended MT-V-37 with the patented MT-QVSS tool-free quick swap
• 🔴 Anti-fog — no Pinlock option exists for the MT-V-37
• Sun visor — full-coverage drop-down shield developed under MT-ESP (Extended Sunvisor Protection)
• Ventilation — active — front intakes and a rear exhaust with colour-matched vent pieces, plus a tool-free removable rear deflector to tune airflow against noise
• Retention — MT-Micrometric+ with a guaranteed minimum two-tooth anchorage
• Interior — fully removable and washable; MT lists the model under its EcoConscious programme
• Communication — UCS MT-Rider Sync pre-installation — system sold separately
• Impact liner — expanded polystyrene — crushes once and does not recover; replace the helmet after any real impact
• Serviceability — visor, sun shield, lining, cheek pads, colour-matched vent pieces and the rear deflector all available separately
• Made for — city and everyday riding at urban speeds — loud above about 60 km/h and cold in winter, as every open-face is
• Manufacturer — MT-Helmets (MT Helmets, Spain)
• Replacement guidance — after around five years of use regardless of condition, and immediately after any impact

• 1x MT Cosmo SV helmet
• 1x MT-V-37 clear visor (fitted)
• 1x protective cover
• User manual and MT Helmets stickers