Troy Lee Designs UPV 3900 SL Mens Protection Vest
Minimalist Core Defense
The Troy Lee Designs UPV 3900 SL Mens Protection Vest offers targeted core protection in a lightweight, sleeveless package. Perfect for riders who prefer the mobility of a vest, the 3900 features specialized foam padding across the chest and back. Its low-profile design allows it to disappear under any jersey, making it an essential piece of gear for trail riders who want an extra layer of safety without the restriction of sleeves.
- Shock Doctor Technology: Targeted Strata-foam padding for the chest, back, and ribs.
- Sleeveless Mobility: Provides total freedom of movement for the arms and shoulders.
- Deep V-Neck Collar: Designed for maximum comfort and easy compatibility with neck braces.
- Breathable Mesh Body: High-airflow fabric keeps the rider cool during high-output efforts.
- Stealth Fit: Thin enough to be worn under standard trail jerseys without affecting the silhouette.


