1. Introduction
This manual provides essential information for the proper use, fitting, and maintenance of your Leatt 4.5 Chest Protector. Please read this manual thoroughly before using the product to ensure optimal protection and longevity. This protector is designed for multi-sport applications, offering protection for vital areas during activities such as mountain biking and powersports.
2. Safety Information
The Leatt 4.5 Chest Protector is designed to reduce the risk of injury. However, no protective gear can guarantee complete protection against all impacts or accidents. Always ride within your limits and wear appropriate safety equipment for your activity.
- Proper Fit: Ensure the protector is correctly fitted and adjusted according to the instructions. An improperly fitted protector may not provide adequate protection.
- Inspection: Before each use, inspect the protector for any signs of damage, wear, or degradation. Do not use if damaged.
- Cleaning: Follow maintenance instructions for cleaning. Harsh chemicals can degrade materials.
- Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
3. Product Overview
The Leatt 4.5 Chest Protector is a lightweight and comfortable protective garment constructed from durable foam material. It features an adjustable strap system for a secure and personalized fit.

Figure 1: Front view of the Leatt 4.5 Chest Protector. This image displays the primary protective plates covering the chest and abdomen, along with the adjustable shoulder straps and waist straps. The design incorporates ventilation for comfort.

Figure 2: Side view of the Leatt 4.5 Chest Protector. This image illustrates the contoured back protector and the side panels, demonstrating how the protector wraps around the torso for comprehensive coverage. The adjustable waist strap is also visible.
4. Setup and Fitting
Achieving a correct fit is crucial for the effectiveness of your Leatt 4.5 Chest Protector.
- Unfasten Straps: Loosen all adjustable straps, including shoulder and waist straps.
- Position Protector: Place the chest protector over your torso. The front plate should cover your chest and abdomen, and the back plate should cover your spine.
- Adjust Shoulder Straps: Adjust the shoulder straps so the protector sits comfortably and securely on your shoulders without restricting movement. The protector should not ride up too high or hang too low.
- Secure Waist Straps: Fasten and tighten the adjustable waist straps around your midsection. The straps should be snug but not overly tight, allowing for full range of motion and breathing.
- Check Fit: Move around to ensure the protector stays in place during activity. There should be no excessive shifting or gaps in protection. Re-adjust as necessary.
5. Operating and Usage
The Leatt 4.5 Chest Protector is designed for use in various multi-sport activities where chest and back protection is desired. Always wear the protector over appropriate base layers or directly against the skin, depending on comfort and activity type. Ensure all straps are securely fastened before engaging in any activity.
6. Maintenance
Proper care extends the life of your chest protector and maintains its protective qualities.
- Cleaning: Hand wash with mild soap and cold water. Do not use harsh detergents, bleach, or solvents.
- Drying: Air dry thoroughly in a shaded, well-ventilated area. Do not tumble dry, iron, or expose to direct sunlight or high heat, as this can damage the foam material.
- Storage: Store the protector in a cool, dry place away from direct sunlight and extreme temperatures. Avoid storing under heavy objects that could deform the protective plates.
- Inspection: Regularly check for cracks, tears, or deformation in the protective plates and foam. Inspect straps and buckles for wear or damage. Replace the protector if any significant damage is found.
7. Troubleshooting
If you experience issues with your Leatt 4.5 Chest Protector, consider the following:
- Discomfort/Chafing: Ensure all straps are properly adjusted and not too tight. Check for any folds in your clothing underneath the protector. Consider wearing a moisture-wicking base layer.
- Protector Shifting: Re-adjust all straps to achieve a snug fit. The protector should remain stable during movement. If the protector continues to shift, re-evaluate the size.
- Restricted Movement: While the protector offers coverage, it should not severely restrict your natural range of motion. Ensure straps are not overtightened.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Leatt |
| Model Number | 5015300100 |
| Material | Foam |
| Strap Type | Adjustable |
| Item Weight | 2.99 Pounds (1.36 Kilograms) |
| Item Package Dimensions (L x W x H) | 18.75 x 15.4 x 3.4 inches |
| Sport | Multi-sport |
| Age Range (Description) | Adult |
9. Warranty and Support
For warranty information, product support, or to inquire about replacement parts, please contact Leatt customer service directly. Refer to the official Leatt website or your purchase documentation for specific warranty terms and contact details.
You can visit the official Leatt store for more product information: Leatt Store on Amazon





