⟲ 360° — drag meThe facts.
| Brand | Leatt |
|---|---|
| Model | Neck Brace 5.5 ADV |
| Rider | Adult (unisex) |
| Colour | Black |
| Sizes | S/M, L/XL |
| Weight | from 780 g |
| Adjustment | Three-way sliding SureFit, front and rear |
| Closure | Low-profile push-button, emergency release |
| Material | Composite matrix platform |
| Certification | CE, PPE Regulation (EU) 2016/425 |
DescriptionThe whole story▼
Adventure riders rarely wear a slim motocross jersey. They ride in a touring or ADV jacket, often with body armour underneath, and a standard brace can sit too low or too tight over all that. The Leatt Neck Brace 5.5 ADV solves exactly this: Leatt sized it to fit comfortably over ADV jackets and body protection, while keeping the protection of the 5.5.
In Black, sizes S/M and L/XL, from 780 g, it brings the race-inspired low-profile 5.5 design to long days on gravel, forest tracks and enduro trails.
Key Features
- Sized to be worn over ADV jackets and body protection
- Proven 5.5 protection for long-distance adventure riding
- Three-way adjustment with sliding SureFit adjusters front and rear
- CoreFlex rear strut moves with the body and breaks away before causing injury
- Composite matrix platform with sculptured split front
- Low-profile push-button closure and emergency release
- From 780 g, sizes S/M and L/XL
- CE certified to PPE Regulation (EU) 2016/425
Made to go over a jacket
The key difference to the regular 5.5 is the fit envelope. Leatt sized the ADV version so that it sits comfortably on top of an adventure jacket and body protector rather than on a jersey. That is also why it is heavier, from 780 g compared with 600 g for the standard 5.5. On a long day, a brace that does not press into a bulky collar or shoulder armour makes the difference between wearing it all day and taking it off at lunch.
Three-way SureFit for bulky gear
Sliding SureFit adjusters at the front and rear provide three-way adjustment, which Leatt intends for getting a comfortable fit over thick layers. Set the brace up with the jacket and armour you actually ride in, not over a T-shirt. Leatt does not publish a centimetre size chart; the manual describes the check instead. The brace should rest evenly on both shoulders, and with your head tipped back the helmet rim should come close to the brace without the brace lifting it. Choose between S/M and L/XL and ask us if you are unsure.
Protection
In a fall the 5.5 ADV limits helmet travel and passes load from the neck into the shoulders and torso. The CoreFlex rear strut is split so it moves with your body and is designed to break away before it causes injury. Leatt states the brace is independently lab and rider tested and, citing an independent moto study by Action Sports EMS, that its braces reduce critical cervical spine injuries by up to 89% and collarbone injuries by up to 45% compared with no brace. We quote this as the manufacturer's claim. The ADV is CE tested and certified to the PPE Regulation (EU) 2016/425.
Construction and closure
Leatt builds the 5.5 ADV on a composite matrix platform with a sculptured split front and injected foam padding that is easy to clean. A low-profile push-button closes it, and an emergency release allows removal after a crash. Leatt has not published a material percentage breakdown for the ADV in the documents we have.
Care
Use soap and water only on shell and padding. Leatt's manual says a brace that has been in a crash must be replaced, and that a brace used frequently should be replaced every two years. The packaging is plastic-free.
What you should know
- Designed to fit over an ADV jacket; over a thin jersey it may feel too large.
- Heavier than the standard 5.5 (from 780 g).
- No official cm size chart; check the fit with your own jacket, armour and helmet.
- Wear with a full-face helmet; a brace does not replace riding skill.
Colour
Black with light grey and white arrow graphics on the sides and red detail buttons. The dark finish matches most adventure jackets, hides road dust and dried mud well, and keeps the brace understated when you walk into a café on a ride stop.
Specifications
| Brand | Leatt |
| Model | Neck Brace 5.5 ADV |
| Rider | Adult (unisex) |
| Colour | Black |
| Sizes | S/M, L/XL |
| Weight | from 780 g |
| Adjustment | Three-way sliding SureFit, front and rear |
| Closure | Low-profile push-button, emergency release |
| Material | Composite matrix platform |
| Certification | CE, PPE Regulation (EU) 2016/425 |
What's includedEverything in the box▼
- 1x neck brace
DownloadsOwner's manual · brochure▼
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
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