Key Features:

1. Reflective Strips: High-quality vests will have reflective strips that make you visible from a distance when car headlights hit them.

2. Lightweight Material: Look for breathable, moisture-wicking fabric so you stay comfortable even during intense exercise.

3. Adjustable Fit: A vest with adjustable straps ensures that it fits snugly without restricting movement.

4. Bright Colors: Neon colors like yellow, orange, or green are ideal for visibility during the day as well as night.

5. Breathable Mesh Panels: To avoid overheating, look for vests with mesh panels that allow air circulation.

6. Versatile Use: These vests should be easily worn over your clothing, suitable for cycling, running, or even walking.

7. Water-resistant: Some models are designed to handle rain, adding another layer of protection in unpredictable weather.