Troy Lee Designs 3900 Upper Protection Vest - Black
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Troy Lee Designs 3900 Upper Protection Vest BlackFree delivery in 1–3 days£119.99Visit shop →
Troy Lee Designs 3900 Upper Protection Vest BlackFree delivery in 1–3 days£119.99Visit shop →
Product Information
Full details
The Troy Lee Designs 3900 Upper Protection Vest is designed for adult cyclists and dirt bike riders who prioritize core impact protection without compromising mobility in warm weather. Utilizing advanced Shock Doctor technology, the vest shields the chest, ribs, and back, though users should note that it provides lighter weight protection compared to full-coverage hard-shell armor systems.
All features
| Age Group | adult |
|---|---|
| Colour | Black |
| Gender | Unisex |
| Model Part Number | TLD514003205 |
| Brand | Troy Lee Designs |
Extended Product Information
FAQs
Can I wear this under my jersey?
Yes, the low-profile design of the 3900 vest makes it ideal for wearing comfortably underneath most cycling or moto jerseys.
Is this vest machine washable?
It is recommended to hand wash the chassis after removing the foam padding to ensure the integrity of the materials is maintained.
Does it include shoulder protection?
No, the 3900 Upper Protection Vest is designed to protect the core areas including the chest, ribs, and back.
Will this fit under a hydration pack?
Yes, the thin back profile is compatible with most standard hydration packs without creating excessive bulk.
What is the primary material used for impact?
The vest uses proprietary Strata-foam and Shock Doctor technology to manage and dissipate impact energy.
Troubleshooting
Vest feels too restrictive during movement
Adjust the tension straps at the sides or remove specific padding inserts to improve flexibility in tight areas.
Padding shifting during intense riding
Ensure the vest is the correct size for your torso length and that the internal hook-and-loop fasteners for the padding are securely engaged.
Pros and Cons
Pros
- Excellent ventilation for warm weather riding
- High level of anatomical mobility through articulated foam
- Seamless compatibility with neck protection systems
- Lightweight and low-profile design fits well under jerseys
Cons
- Less impact protection coverage than full-suit armor
- Requires manual removal and replacement of pads for deep cleaning
- Designed primarily for core protection rather than full upper limb coverage
Setup, Compatibility & Care
To achieve the best fit, ensure the vest is snug against the torso without restricting deep breathing. The anatomical design allows it to sit close to the skin, which is optimal for moisture-wicking if worn over a base layer. When pairing with a neck brace, position the vest first, then slide the brace into the dedicated recesses at the neck line.
For cleaning, remove the dual-density padding inserts before washing the vest chassis. Hand wash the fabric shell in cool water with mild detergent and allow it to air dry completely. Inspect the foam pads for any signs of degradation or hardening after a significant impact, as materials used in impact protection may lose their effectiveness after a major crash.