⟲ 360° — drag meThe facts.
| Manufacturer | RST |
|---|---|
| Model | RST x D3O Racing Chest Protector |
| Part number | 103680 |
| Product type | Chest protector |
| Protection technology | D3O |
| Application | Racing, track, trackdays |
| Fit | Low-profile / dynamic fit |
| Characteristic | Lightweight |
| Coverage area | Extended coverage across sternum and ribs |
| Special feature | Adjustable polycarbonate shell for additional protection |
DescriptionThe whole story▼
When the certified protection level you wear on track is the one detail you refuse to compromise, the RST x D3O Racing Chest Protector (part no. 103680) answers with the highest certified impact protection available in motorcycle safety — delivered in a low-profile form that disappears inside a race suit without restricting your riding position.
Key Features
- D3O impact technology offers class-leading certified protection: soft and flexible in normal use, instantly hardening on impact to absorb and disperse energy where it matters most
- Extended coverage across the sternum and ribs — protecting the areas most vulnerable in a racing fall, not just the centre of the chest
- Adjustable polycarbonate shell layers the protective architecture for an additional barrier against abrasion and penetration forces
- Low-profile dynamic fit sits flush against the body, integrating cleanly into race suits and leather one-pieces without unwanted bulk or movement
- Lightweight construction keeps fatigue low during long track sessions and lets you stay focused on the riding, not the gear
- Purpose-engineered for racing, trackdays, and high-performance road riding where every piece of protection must earn its place
Certified Safety at the Core
The defining characteristic of the RST x D3O Racing Chest Protector is its certified protection standard. In a market where chest armour varies enormously in tested performance, this model achieves the highest certified level available for motorcycle riders. That certification is not incidental — it is the engineering brief around which the entire product is built. D3O's proprietary material technology underpins this result: rate-sensitive molecules that flow freely under everyday movement yet lock together instantaneously under sharp impact loads, absorbing energy rather than transmitting it to the body.
For racers and trackday riders, this is the specification that matters above all others. When you go down at speed, the protection you are wearing needs to have been tested to the most demanding standard available — not merely a minimum compliance threshold.
Extended Coverage: Sternum and Ribs
Many chest protectors focus protection narrowly on the sternum. The RST D3O Racing design extends its coverage laterally across the rib cage, addressing a zone that absorbs significant force in typical motorcycle crashes. This broader protective footprint means a rider going down at a trackday is better shielded across the full front of the thorax, not just the centreline. The adjustable polycarbonate shell works in concert with the D3O core to add a rigid outer layer that resists deformation under load, reinforcing the overall protective system.
Race Suit Integration
A chest protector that adds bulk, rides up under braking or restricts your reach to the clip-ons is a liability on track, not an asset. The RST D3O Racing Chest Protector is built around a low-profile, dynamic-fit architecture that keeps the profile as slim as possible while maintaining full coverage. It sits close to the body, moves with the rider, and integrates into the chest cavity of a leather race suit or technical one-piece without creating pressure points or limiting the aggressive tucked position required at speed.
The lightweight build compounds this benefit: less mass on your chest means less fatigue through a race weekend, and no awareness of the protector when you need total concentration on the track.
Who Is This Chest Protector For?
The RST x D3O Racing Chest Protector is the right choice for riders who:
- compete in circuit racing or attend trackdays and demand certified race-grade chest protection
- wear a leather race suit or one-piece and need a chest armour solution that integrates properly rather than adding unwanted thickness
- want extended sternum and rib coverage beyond a standard insert provides
- prioritise certified protection level as the primary selection criterion, not just weight or price
- refuse to accept a compromise between genuine safety performance and riding comfort
Fitment & Compatibility
The RST x D3O Racing Chest Protector is designed as a standalone chest armour insert suitable for use with race suits and leather motorcycle jackets or one-pieces that include a chest armour pocket. It is not fitment-specific to a single garment. Confirm your suit's chest protector pocket dimensions against the protector profile before ordering; contact Inter-Pace if you need guidance on compatibility with a specific RST garment.
Specifications
- Manufacturer: RST
- Model: RST x D3O Racing Chest Protector
- Part number: 103680
- Protection technology: D3O
- Application: racing, track, trackdays
- Fit: low-profile / dynamic fit
- Coverage: extended — sternum and ribs
- Shell: adjustable polycarbonate
- Weight category: lightweight
What's includedEverything in the box▼
- 1x RST x D3O Racing Chest Protector
Head to toe.
Questions, one topic at a time.
Get the real shipping cost for this item to your address — the same rates as checkout.
Choose a destination and hit Estimate — we fetch the live rates for this item.
We’re based in Germany. Standard delivery goes by DHL and national postal services and takes about 2–5 days within Germany, 1–2 weeks within the EU and 2–6 weeks outside the EU. Need it sooner? Express delivery reaches most of the world within a few days — just choose it at checkout where available.
Your exact shipping cost is calculated by destination and weight and shown at checkout before you pay — no hidden fees. Express delivery is selectable at checkout where available.
Yes, we ship to over 130 countries. Prices, taxes and delivery times for your destination are calculated automatically at checkout.
Within the EU, no — our prices already include all duties and EU VAT. For deliveries outside the EU (e.g. Switzerland, the UK or the USA), your order may be subject to import duties and taxes set by your country. These are collected by the carrier when your parcel arrives, aren’t included in our prices, and are outside our control.
As soon as your parcel ships we email you a tracking link, so you can follow it all the way to your door.
On out-of-stock items you can request a delivery time or leave your email to be notified the moment it returns — just use the notification box on the product.
You have the right to cancel within 14 days of receiving your order. Register your return by email first; once it’s approved you have a further 14 days to send the goods back. Items should be unused and in their original packaging.
Register your return by email with your order number before sending anything back, and we’ll send you the return instructions. Please note: returns that aren’t registered in advance can’t be accepted.
The quickest way is to place a new order for the size you need and register a return for the original by email — just let us know it’s an exchange.
We’re sorry — that shouldn’t happen. Contact us with your order number and a photo as soon as you can, and we’ll arrange a replacement or refund right away. Faulty goods are always covered by your statutory warranty.
Refunds go back to your original payment method, usually within 3–5 working days of your return reaching our warehouse.
PayPal, all major credit and debit cards (Visa, Mastercard, American Express), Klarna (pay later and instalments), Apple Pay, Google Pay and more — all processed securely via PayPal and Mollie.
Yes. Choose Klarna at checkout to split your purchase into flexible monthly installments.
Your payment is taken when you place your order. If you choose Klarna, you pay later according to Klarna’s terms.
Every payment runs over an SSL-encrypted connection through certified providers. We never see or store your full card details.
If your order hasn’t shipped yet, contact us as soon as possible and we’ll do our best to change or cancel it.
No — you can check out as a guest. An account simply lets you track orders and reorder faster.
For customers in the EU, prices are shown including your country’s local VAT. For customers outside the EU, prices are shown without VAT — instead, your country’s import taxes and duties may apply on delivery (see the customs question).
Yes. Your invoice is attached to your order confirmation email and is also available in your account.
Yes. We’re an authorised dealer, so every product is 100% original and comes with the full manufacturer warranty.
Yes. Everything we sell is genuine and comes with the manufacturer’s warranty, on top of your statutory rights. Keep your invoice as proof of purchase and contact us if you ever need to make a claim — we’ll help you through it.
Our team is happy to help. Use the contact button below and we’ll personally help you choose the right gear or part.
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.
Our team will personally help you choose the right gear or part — around 24h for a reply.