The facts.
| Model | Chest Protector 5.5 Pro Evo |
|---|---|
| Fit | Unisex |
| Protection zones | Chest, back, shoulders, ribs and sides |
| CE certification | Chest EN 1621-3 Level 2, back EN 1621-2 Level 2, shoulders EN 1621-1 Level 1; PPE Regulation (EU) 2016/425 |
| Construction | Hard shell with FlexMesh Pro, articulated multi-plate design |
| Material | 38% polyethylene, 31% EVA, 28% polyurethane, 3% other |
| Weight | 1.80 kg |
| Sizes | S/M, L/XL, XXL (rider height 160–196 cm) |
| Neck brace | BraceOn system, removable front and rear plates |
| Leatt protection score | 19 points (manufacturer rating) |
DescriptionThe whole story▼
The Leatt Chest Protector 5.5 Pro Evo in Black is the top hard-shell option in this range for riders who want certified cover across the chest, back and shoulders in one piece. Leatt combines a hard shell with FlexMesh Pro armour, then adds adjustable flank panels and an extended back plate, so the coverage reaches well beyond a classic roost guard.
In black, the 5.5 Pro Evo keeps a low-key look on the bike and under a jersey, while the protection underneath is rated CE Level 2 at chest and back. It is built for motocross, enduro and trail riders who spend long days on the bike and want the strongest certification Leatt offers in a hard-shell chest protector with shoulder guards.
Key Features
- Chest EN 1621-3 Level 2, back EN 1621-2 Level 2, shoulders EN 1621-1 Level 1
- Hard shell combined with ventilated FlexMesh Pro armour
- Adjustable flank panels and extended back plate for rib, side and spine coverage
- Leatt states 30% less weight and 50% more ventilation than the previous model
- Removable front and rear plates plus slimmer BraceOn neck brace system
- Adjustable over-the-shoulder straps, weight 1.80 kg
- Leatt protection score of 19 points, FFM certified and ISR rated according to Leatt
Protection & Certification
Each zone of this black 5.5 Pro Evo carries its own CE standard: the chest plate is tested to EN 1621-3 at Level 2, the back to EN 1621-2 at Level 2, and the shoulder guards to EN 1621-1 at Level 1. Leatt declares the protector as personal protective equipment under Regulation (EU) 2016/425.
On top of the CE results, Leatt lists the 5.5 Pro Evo as certified by the French Motorcycle Federation (FFM) and as ISR rated, and gives it a total protection score of 19 points on its own radar-chart scale. Those three items are manufacturer information and describe Leatt's internal rating rather than a separate standard.
Construction & Coverage
The shell sits over FlexMesh Pro armour that works with flex joints and several articulated plates, so the protector bends with the torso in three dimensions instead of acting as one rigid board. Adjustable hard-shell flank panels wrap towards the ribs and sides, and the back plate is extended to reach further down the spine.
Leatt specifies the material mix as 38% polyethylene, 31% ethylene-vinyl acetate, 28% polyurethane and 3% other components. The front and rear plates can be removed, which lets you adapt the set-up to your neck brace or to the riding you have planned.
Ventilation & Weight
FlexMesh Pro is a perforated, mesh-type structure, and Leatt describes it as keeping the rider cool without giving up protection. According to the manufacturer, the Evo generation is 30% lighter and 50% better ventilated than the model it replaces. The black protector weighs 1.80 kg, a figure worth knowing if you are moving up from a light roost guard.
Neck Brace & Jersey Compatibility
The slimmer BraceOn system shapes the chest and back areas so a Leatt neck brace seats cleanly, and Leatt confirms the fit for wearing the brace over or under the shirt. With the plates removed, the 5.5 Pro Evo also adapts to riders who run their brace in a different position.
Fit & Sizing
Three sizes cover riders from 160 to 196 cm: S/M, L/XL and XXL. The over-the-shoulder straps adjust, so the plates can be pulled into position on the chest before the flank panels are set. Choose by body height first, then fine-tune with the straps and side panels.
What you should know
The shoulder guards are certified at Level 1, not Level 2, so the highest rating applies to chest and back only. With 1.80 kg this is a substantial hard-shell protector; riders who mainly want roost protection may find a lighter model more comfortable. The percentage claims on weight and airflow are Leatt's own comparison with the previous model.
Colour
Black is the most discreet version of the 5.5 Pro Evo. It blends with almost any kit, shows mud and roost marks less than the white version, and still looks tidy under a vented jersey. In strong sun, a dark shell can feel warmer to the touch when you stop, so the mesh structure does a good part of the cooling work.
Specifications
| Model | Chest Protector 5.5 Pro Evo |
|---|---|
| Fit | Unisex |
| Protection zones | Chest, back, shoulders, ribs and sides |
| CE certification | Chest EN 1621-3 Level 2, back EN 1621-2 Level 2, shoulders EN 1621-1 Level 1; PPE Regulation (EU) 2016/425 |
| Construction | Hard shell with FlexMesh Pro, articulated multi-plate design |
| Material | 38% polyethylene, 31% EVA, 28% polyurethane, 3% other |
| Weight | 1.80 kg |
| Sizes | S/M, L/XL, XXL (rider height 160–196 cm) |
| Neck brace | BraceOn system, removable front and rear plates |
| Leatt protection score | 19 points (manufacturer rating) |
What's includedEverything in the box▼
- 1x chest and back protector with shoulder guards
DownloadsOwner's manual · brochure▼
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