Pure performance. Zero compromise.

An ultra-light, maximally perforated racing suit built for riders who demand the highest level of safety and performance. Worn by professional racers and now available to you. On the bike, everything is about freedom, movement, and feel. The Racing Ultra Light Matrix AR® delivers all three, without compromise—and it’s fully Airbag Ready®.

Designed for the world of motorsport where milliseconds matter and style is part of a rider’s identity, the Matrix AR® is crafted from premium 0.9 mm kangaroo leather and engineered to push your limits. Extensive seamless aramid stretch panels provide exceptional freedom of movement, allowing the suit to move with you in every riding position.

The Airbag Ready® system gives you flexibility: ride with a full set of 18 ergonomic protectors, including chest and back protection, or remove the chest and back protector and wear an approved airbag system underneath. Fast, simple, and race-ready.

Dress like a champion

4SR FAIR PLAY – One Standard. The Highest One.

Every 4SR suit is made to the same uncompromising production standard—the highest we can achieve. No shortcuts. No lower tiers. When you wear 4SR, you wear the safest and most advanced gear we know how to make, trusted by our factory riders.

This commitment includes our patented 4× stitched safety seam in high-impact zones — so strong that even asphalt is afraid of it.

Riding on the Edge? Get Your Knees and Elbows Ready.

The suit is equipped with Elbow Down TECH® replaceable elbow sliders. One pair of yellow sliders is included; additional colour options are available separately. Naturally, highly durable knee sliders are also included for maximum confidence on track.

Smart Details That Make a Difference

• ZIPPER LOCK® keeps the suit securely in place when unzipped, allowing free movement in the paddock without the suit sliding down

• BADGING SERVICE – the perfect canvas for your name or race number (customisation available on request)

• Hidden LapTimer pocket inside the suit

• Hollow aerodynamic hump, prepared for inserting a 4SR hydrobag

Technical Specifications

• Material: 0.9 mm kangaroo leather
• Colours: White / Black / Red / Fluorescent Yellow
• Certification: CE – EN 17092-2, AAA class

·       Weight:

o   Suit only: 3.55 kg (size 48)

o  Fully equipped (incl. chest, back protectors & sliders): 5.5 kg

·       Protectors:

o   Top-level Betac protectors on shoulders, elbows, and knees (EN 1621-1:2012)

o  Includes chest and back protector (must be removed when using an airbag system)

·       Airbag compatibility:

o   Compatible with In&motion and Alpinestars Tech-Air® systems

o   Airbag system not included

o   Optional airbag data cable with LED control indicators (on request)

·       Construction & comfort:

o   Full perforation on front panels and back, local perforation on arms, sides, and thighs

o   Seamless aramid stretch panels for maximum mobility

o   Flexible leather panels without limiting seams

o   Pre-curved shoulders and ergonomically cut sleeves

o   3D bubble lining

o   Soft aramid stretch sleeve cuffs

o   Comfort-shaped collar

·       Zippers: YKK & OPTI

·      Seams: Triple seams throughout; patented 4SR safety seam stitched 4× in high-stress areas

·       Sliders: Knee sliders included; replaceable elbow sliders included

What 4SR Has — and Others Don’t

• Fully equipped race-ready protection, including chest and back protector

• Seamless aramid stretch in armpits and crotch for unrestricted movement

• Zipper Lock® system prevents the suit from sliding down when open

• Double-layer leather on elbows, shoulders, hips, and seat area

• Patented 4SR safety seams stitched 4× in abrasion-prone zones

• Independently tested by Eurofins Textile Testing Spain

• Certified to EN 17092:2020 with the highest safety rating: AAA

Got questions? Contact us.

Feel the Lightness. Experience the Speed.

The Racing Ultra-Light Grey AR by 4SR is the lightest motorcycle suit in our collection. Engineered with kangaroo leather, it's not only built for speed but also designed for ultimate comfort. Favoured by factory riders for its minimal weight, it helps you stay agile while pushing your limits on the track.

Now Airbag Ready! The suit's accordion stretch panels are designed to work seamlessly with standalone airbags, giving you the flexibility and safety you need on the track. All materials and stitching are crafted to the same high standards as our factory racers' suits, ensuring you get the best in both safety and performance.

Key Features:

* Material: 0.9 mm kangaroo leather / black, fluorescent red, grey /
* Weight: Suit weighs 3.4 kg (5.2 kg with protectors in size 48)
* Protectors: Includes high-quality Betac protectors on shoulders, elbows, and knees, certified to EN 1621-1:2012 standards
* Sliders: Equipped with replaceable 4SR Elbow Down TECH sliders in various colour options (White, Black, Red, Fluorescent Red, Fluorescent Yellow, Green)
* Mobility: Aramid stretch panels in the crotch and armpits for maximum movement
* Comfort: Soft stretch sleeve cuffs and a comfortable collar with reflective logo
* Airbag Compatibility: Compatible with In&motion and Alpinestars Tech-Air® airbag systems (Airbag system not included)
* Extra Features: Hollow aerodynamic hump compatible with the 4SR Hydrobag (https://4sr-leathers.com.au/collections/accessories/products/4sr-hydrobag) , 3D bubble mesh lining, maximum perforation in key areas for ventilation, double and triple seams for added durability

This motorcycle suit has been tested and certified for abrasion resistance by TÜV Rheinland® and exceeds industry safety standards, including Level 2 and AAA certification. Ride with confidence in the best gear, made the same way we prepare our factory racing suits.

Got questions? Contact us.