The facts.
| Manufacturer | RST |
|---|---|
| Model | Tractech EVO D3O |
| Certification | AAA |
| Product Type | One-piece leather suit / perforated race suit |
| Colour | Black/Blue |
| Intended For | Men's |
| Part Number | 103634 |
| Inner Lining | Removable Quick-Dry stretch-mesh lining |
| Outer Material | Premium drum dyed cowhide, AST-Pro |
| Notable Features | D3O Level 2 at shoulders, elbows, hips and knees, Motion Panels, perforated leather, neoprene comfort collar, aerodynamic race hump, Shoulder Cups, Quick Release knee sliders, airbag-compatible, 2-year warranty |
DescriptionThe whole story▼
Built from premium drum dyed cowhide with AST-Pro construction and carrying a full AAA certification, the RST Tractech EVO D3O men's one-piece leather suit in Black/Blue represents the sixth generation of a lineage engineered for riders who demand uncompromised protection, precise fit and genuine track capability. Every material choice, every seam and every protective zone has been selected to perform when it matters most — whether that is a hot lap at a circuit, a trackday session or a fast open road run.
Key Features
- AAA-certified construction using premium drum dyed cowhide and AST-Pro outer material — a genuinely race-grade leather chosen for abrasion resistance and long-term durability
- D3O Level 2 armour at shoulders, elbows, hips and knees — the highest-rated CE impact protection fitted as standard across all primary impact zones
- Panel-in-panel perforated leather panels promote airflow during warm-weather riding and intense track sessions without compromising structural integrity
- Removable Quick-Dry stretch-mesh lining improves comfort and moisture management during extended wear
- Motion Panels and pre-curved knee sections engineered for aggressive riding positions, improving freedom of movement without distorting the suit's race silhouette
- Airbag-compatible construction with a 2-year manufacturer's warranty, making this suit a sound long-term investment
Sixth-Generation Tractech Engineering
RST's Tractech EVO line has been developed across multiple generations with a clear philosophy: fit the rider's body in a race crouch, not a showroom pose. The sixth generation carries that commitment further with ergonomic refinements that feel immediately apparent once you are on the bike. Pre-curved knee sections reduce bunching and fatigue on long stints, while flexible Motion Panels allow the natural articulation of shoulders and hips without the suit pulling or binding. The neoprene sport comfort collar and neoprene cuff finishes eliminate chafing at the contact points where discomfort typically sets in first on a hard day's riding.
The close racing fit translates directly into feedback and control. There is no excess material to bunch under a jacket or shift around the waist — just a clean, body-conforming silhouette that moves with you rather than against you.
AAA Protection — No Compromises
The AAA certification is the highest CE rating available for a motorcycle leather suit, and this RST delivers it with D3O Level 2 armour installed at every principal impact zone as standard. Triple-stitched seams using bonded nylon thread and double leather layers in the highest-wear impact areas reinforce the structure of the suit at the points most likely to contact the road surface in a slide.
Protection Highlights
- CE certification: AAA
- D3O Level 2 shoulder armour
- D3O Level 2 elbow armour
- D3O Level 2 hip armour
- D3O Level 2 long-knee armour
- Pocket for back protector (not included)
- Pocket for chest protector (not included)
- Double leather layers in impact zones
- Triple-stitched with bonded nylon thread
- Airbag-compatible
Perforated Leather for Performance in the Heat
Thermal comfort is one of the most overlooked factors in suit selection, and RST has addressed it properly here. The panel-in-panel perforated leather sections channel airflow across the torso and limbs where heat builds quickest during sustained high-speed riding. The perforation is integrated into the design rather than retrofitted, preserving the structural role of each panel while meaningfully improving ventilation. Paired with the Quick-Dry stretch-mesh lining, the suit manages heat and moisture better than a traditional unperforated leather construction — a genuine advantage on summer trackdays or continental road trips.
Race Hardware and Aerodynamic Details
Beyond the core protection and materials, the Tractech EVO D3O is equipped with the functional hardware that serious track riders expect. The aerodynamic race hump is shaped for real downforce benefit at speed, not merely aesthetic. Shoulder Cups add a further layer of impact management at the upper shoulder. The Quick Release loop-and-hook knee sliders allow rapid slider swaps in the paddock, and zip fastening throughout ensures a secure, rattle-free fit. Combined with full airbag compatibility, these details make this a suit that can grow with a rider's ambitions and equipment choices.
Black/Blue Colourway
The Black/Blue finish pairs a deep, technical black base with blue accent panels to produce a colourway that reads as genuinely motorsport-focused without resorting to garish graphics. On the bike at speed it carries the clean, purposeful aesthetic of a properly considered race suit — one that looks as considered in motion as it does on the paddock stand.
Fitment and Compatibility
This is a men's one-piece motorcycle leather suit available in sizes S (UK 40) through 3XL (UK 50). It is designed for road and track use and is compatible with airbag systems. The suit is suitable for trackday riders, circuit racers and performance road riders seeking AAA-rated protection in a perforated leather construction.
Specifications
| Attribute | Detail |
|---|---|
| Brand | RST |
| Model | Tractech EVO D3O |
| Certification | AAA |
| Type | One-piece leather suit / perforated race suit |
| Colour | Black/Blue |
| Gender | Men's |
| Part Number | 103634 |
| Lining | Removable Quick-Dry stretch-mesh lining |
| Outer Material | Premium drum dyed cowhide, AST-Pro |
| Notable Features | D3O Level 2 at shoulders, elbows, hips and knees, Motion Panels, perforated leather, neoprene comfort collar, aerodynamic race hump, Shoulder Cups, Quick Release knee sliders, airbag-compatible, 2-year warranty |
What's includedEverything in the box▼
- 1x Tractech EVO D3O one-piece leather suit
Head to toe.
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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.
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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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