At 4SR, we know that a perfectly fitted racing suit is essential for every rider. That’s why we customize each suit to match the individual needs and unique physical proportions of every racer. Whether you have a specific color scheme in mind, need sponsor logos, names, numbers, or fully personalized designs, we can bring your vision to life.

Our custom suits can be tailored with high-quality printed logos, sewn leather logos, embroidery, or laser-burning techniques, ensuring exceptional detail, durability, and style on the track.

Before placing an order, please contact us at sales@4sr-leathers.com.au to receive more information and a personalized design preview tailored to your style. We’re excited to collaborate with you and create the ultimate racing suit.

Custom suit pricing: AUD $2,800 – $3,500, depending on design complexity and materials used.

Check out our videos where 4SR racers share why they compete in the British Supersport Championship and why they choose 4SR leathers. Watch in the video tab below!

Girls Ride Too! Using our proven suit design for the female figure, we now offer a complete range of ready-to-wear one-piece suits for women who love track riding.

With years of experience in making women’s racing suits through our custom department, we are thrilled to make these high-quality, race-tested suits available to all. Designed for the modern female racer and track enthusiast, this suit offers world-class protection, mobility, and comfort.

Since 2007, our motorcycle suits have been at the forefront of international championships, including the British Superbike Championship. Exposed to high-impact crashes, these suits are put through the toughest conditions to ensure maximum protection.

Key Features:

• Betac® Protectors: Equipped with 16 ergonomically placed Betac viscoelastic protectors (certified EN 1621-1:2012) to ensure protection in all conditions.
• Full Protective Set: Includes chest and back protectors, knee sliders, and double tailbone protection from the renowned Sas-Tec® brand.
• High Mobility: Seamless Kevlar® stretch panels in key areas such as the crotch and underarms for flexibility and comfort while racing.
• Hollow Hump: Ready to integrate a Camelbak hydration system for long track sessions.
• Comfort Features: Soft Kevlar® fabric at the cuffs, ergonomic collar, and reflective logo for added visibility.

Available in a striking black, white, and fluorescent pink colour combination, this racing suit is designed to deliver performance and style on the track.

Got questions? Contact us.

For many years, we’ve been crafting women's racing suits, and the RR Lady Power AR suit reflects our commitment to excellence. Designed for female track day riders and racers, this two-piece suit offers unmatched protection, comfort, and mobility.

Our motorcycle suits, often seen at the BSB Championship, are engineered to handle the extreme conditions of superbike competitions. With protectors placed to ensure maximum safety during high-strain falls, you can trust this suit for every race.

"WE MAKE OUR PRODUCTION SUITS IN THE SAME WAY WE PREPARE OUR FACTORY RACERS' SUITS"

Mobility is key for every racer, which is why we’ve used seamless Aramid stretch panels in critical areas like the crotch, underarm, and knee. This allows freedom of movement without compromising safety. The suit is finished with soft fabric cuffs for all-day comfort.

Key Features:

• Made from 1.2 mm cowhide leather in Black, White, and Grey
• Replaceable Elbow Down TECH sliders for enhanced protection
• High-quality Betac protectors on shoulders, elbows, and knees, certified to EN 1621-1:2012 Level 2 standards
• Durable YKK zippers for reliability
• Underarm perforations for improved airflow and comfort
• 3D mesh lining for enhanced breathability
• Extensive Aramid stretch panels for maximum flexibility and freedom of movement
• Improved leather panels on the back for better mobility
• Aerodynamic speed hump, Hydrobag compatible
• Double and triple seams for superior durability in high-stress areas
• Soft stretch cuffs and a comfortable collar for all-day comfort
• Reflective logo on the collar for added visibility in low-light conditions
• Two internal pockets for convenient storage
• Jacket can be worn separately for versatile use
• Includes knee and elbow sliders for added protection
• Optional certified Sas-Tec chest and back protectors available
• Compatible with In&motion® and Alpinestars Tech-Air® airbag systems
• Airbag system not included; consult with us for suitable options
• AR Airbag Ready® is a registered trademark in the Czech Republic

Got questions? Contact us.

Black is timeless, the embodiment of style and elegance. With our tried-and-tested custom suit design tailored to fit the female form, we're thrilled to offer the RR Lady Black Series AR — a full-size, airbag-ready 2-piece suit designed for lady bikers looking to dominate the track.

For years, we've crafted world-class women's racing suits through our custom suit department. Now, with a growing number of female track day riders and racers, we're making these professional-grade suits available to everyone.

Our motorcycle suits, regularly featured at the BSB Championship — one of the most intense superbike competitions — have been engineered to endure maximum strain from frequent falls. We ensure the highest quality Betac protectors are correctly positioned for maximum protection.

"We make our production suits with the same precision as our factory racers' suits."

Rider mobility is crucial, and the RR Lady Black Series AR offers seamless Aramid stretch panels at the crotch, underarms, and the back of the knees, allowing for smooth movement on the bike. For added comfort, we’ve incorporated soft, stretch cuffs and a breathable 3D mesh lining.

Key Features:

• Made from 1.2 mm cowhide leather in Black
• Replaceable Elbow Down TECH sliders for enhanced protection
• High-quality Betac protectors on shoulders, elbows, and knees (EN 1621-1:2012 Level 2 certified)
• Durable YKK zippers for reliability
• Underarm perforations for improved airflow and comfort
• 3D mesh lining for enhanced breathability
• Extensive Aramid stretch panels for maximum flexibility and freedom of movement
• Improved leather panels on the back for better mobility
• Aerodynamic speed hump (Hydrobag compatible)
• Double and triple seams for superior durability in high-stress areas
• Soft stretch cuffs and a comfortable collar for all-day comfort
• Reflective logo on the collar for better visibility in low-light conditions
• Two internal pockets for storage
• Jacket can be worn separately for versatile use
• Includes knee and elbow sliders for added protection
• Optional certified Sas-Tec chest and back protectors available
• Compatible with In&motion® and Alpinestars Tech-Air® airbag systems
• Airbag system not included; consult with us for guidance on suitable options
• AR Airbag Ready® is a registered trademark in the Czech Republic

What Sets 4SR Apart:

• Jacket can attach to Motorcycle jeans
• Perforated sides for improved ventilation
• Seamless Aramid stretch under armpits and crotch for ultimate comfort
• Patented, double 4SR seam sewn 4x for increased durability in areas prone to abrasion
• Two-layer leather on elbows, shoulders, hips, and seating area for added protection
• Leather tested by TÜVRheinland® (EN 13595-2:2002 standard), achieving 11.2 seconds in abrasion resistance — Level 2 certified

Got questions? Contact us.

The Racing Ultra Light Level 2 Spine Protector, developed with Jakub Smrz, meets the highest EN 1621-2: 2014 certification standard. This spine protector has been crafted to provide maximum safety without compromising comfort or mobility, making it ideal for professional racers and daily riders alike.

Its multi-layer polyurethane construction ensures excellent shock absorption, retaining its protective qualities even after repeated impacts. Designed for maximum mobility, the breathable cover keeps riders cool during long races. The adjustable waist belt and elastic straps allow for a perfect fit, making it comfortable for long use.

Whether you're tackling the demands of the racetrack or enjoying a day-to-day ride, the Ultra Light Level 2 Spine Protector offers unbeatable protection and comfort.

Key Features:

• Lightweight, multi-layer polyurethane for superior protection
• Breathable cloth cover for added comfort
• Adjustable waist belt (4 inches wide) and elastic straps (1.2 inches wide)
• Tested for residual force transmission of only 5.5kN
• Available in sizes S, M, L
• Weighs 14.8 oz (S), 16.5 oz (M), 19.9 oz (L)

Got questions? Contact us.

The 4SR Insert Back Protector offers superior safety and comfort for riders. Designed to fit all 4SR jackets and suits from 2009 onward, this back protector is crafted from durable and flexible polyurethane with a memory effect that adapts to your body shape, providing maximum protection without compromising comfort.

Certified to EN 1621-2 Level 2, it ensures high-impact protection while being lightweight and easy to insert into the back pocket of your jacket or suit. Ideal for daily commutes and long rides, the 4SR Insert Back Protector gives you peace of mind with its reliable design.

Key Features:

• Material: High-quality elastic polyurethane for durability and flexibility
• Protection: Certified to EN 1621-2 Level 2 for impact protection
• Comfort: Memory effect material molds to your back for custom comfort
• Compatibility: Fits all 4SR jackets and suits from 2009 onwards
• Easy Installation: Insert directly into the back pocket for hassle-free use

Choose the size that matches your jacket to ensure a secure fit. Check the pocket dimensions of older jacket models for compatibility.

Got questions? Contact us.

The 4SR Chest Protector is designed for riders prioritising safety and comfort. Developed in collaboration with Sas-Tec, this chest protector features advanced viscoelastic material with memory effect. It efficiently absorbs impact and significantly enhances rider safety during crashes, while remaining lightweight and flexible.

This chest protector is loved for its elasticity, ensuring it adapts to your movements without restricting you. It’s so comfortable, you’ll hardly notice it’s there. The Velcro fastener allows for easy attachment to all 4SR racing one-piece suits and RR Evo Edition two-piece suits, giving you both convenience and protection on the road or track.

Key Features:

• Material: Made from advanced viscoelastic material for impact absorption.
• Safety: Memory effect technology that absorbs crash impact to increase safety.
• Design: Lightweight and flexible, adapts to all movements while riding.
• Attachment: Features a Velcro fastening system compatible with 4SR racing and Evo suits.
• Fit: Designed for all 4SR one-piece and two-piece suits for easy integration.

Upgrade your protective gear with the 4SR Chest Protector for a safer and more comfortable riding experience.

Got questions? Contact us.

SR Black Knee Sliders – Reliable Protection for Extreme Riding

The 4SR Black Knee Sliders are made from durable plastic designed to withstand the toughest racing conditions. Providing essential protection for riders who love taking extreme lean angles, these knee sliders ensure safety and longevity, making them a must-have for serious racers.

• Material: High-resistance plastic for long-lasting durability.
• Fit: Universally fits most racing suits.
• Color: Classic black for a sleek, professional look.
• Usage: Perfect for track riders, aggressive leans, and competitive racing.

Ride hard, stay protected with the 4SR Black Knee Sliders.

Got questions? Contact us.

The 4SR White Knee Sliders are crafted for durability and high resistance, designed for motorcycle racing and extreme riding conditions. Built with high-strength plastic, these knee sliders ensure long-lasting use and are ideal for track riders who demand performance in every lean.

Key Features:

• Material: Made from high-resistance plastic for superior durability.
• Universal Fit: Compatible with most racing suits.
• High Visibility: The white design ensures optimal visibility on the track.
• Performance Ready: Designed for aggressive leans and track racing.
• Durable Design: Built to withstand the demands of high-speed riding.

Stay confident and protected with the 4SR White Knee Sliders, whether you're on the track or pushing your limits on extreme corners.

Got questions? Contact us!

The 4SR Fluo Yellow Knee Sliders provide the ultimate in visibility and protection for motorcycle enthusiasts. Designed for high-speed track racing, endurance rides, and aggressive leaning, these sliders offer unmatched performance and durability.

Key Features:

• Material: High-resistance plastic built for long-lasting use.
• Fit: Universally fits most racing suits, making them a versatile addition to any rider’s gear.
• Color: Bright fluorescent yellow for superior visibility on the track, ensuring you stand out even in low-light conditions.
• Usage: Perfect for track racing, aggressive leaning, and endurance rides.

Stay seen and protected with the 4SR Fluo Yellow Knee Sliders, your reliable choice for high-performance motorcycle racing gear.

Got questions? Contact us!

Upgrade or replace the elbow sliders on your 4SR suit with these Elbow Down TECH Sliders. Available in a range of vibrant colours, including Standard Red, Fluorescent Red, Fluorescent Yellow, Green, and more, these sliders provide superior durability and easy replacement.

Key Features:

• Sold in Pairs: Each set includes two elbow sliders.
• Material: Made from thermoplastic polyurethane for excellent wear resistance.
• Easy Replacement: Quick and hassle-free to install.
• Transparent Base Not Included: Only sliders are provided.

Enhance your 4SR suit's performance and appearance with these high-quality replacement elbow sliders.

Got questions? Contact us.

The Tech-Air® Airbag Vest is a fully standalone safety system. All 4SR racing suits are designed with built-in attachments to integrate the vest seamlessly.

With the LED Connection Cord, you can extend the vest’s status indicators directly to your suit’s forearm panel. This clever setup makes the LED lights easy to see while riding, instead of hidden under zipped leathers.

This allows you to quickly confirm:

• ✅ Airbag system is switched on and active

• ✅ Battery level

• ✅ Cartridge readiness

• ✅ Overall system status

Designed specifically for 4SR suits, this accessory offers riders a smarter, more convenient way to stay confident that their airbag is armed and ready.

Compatible with: Tech-Air^® Race & Tech-Air^® 7x

Compatible with: 4SR Airbag-Ready^® suits

Got questions? Contact us.