If you are looking for a vest for premium visibility, check out the USB Rechargeable Flashing Reflective Vest!  No Batteries required!!

It has a great minimalist visibility design.  The soft, chafe-free construction provides for superior ease-of-movement.  The front and back ultra-bright flashing strobe LEDs are adjustable for both height and waist size.

The Illuminating Elements:

Bright green optic beam 360° LED illumination
Solid and flashing modes, easy push button on-off 
Quick zip-on, moisture resistant design
Front and back reflective booster zones
Fully adjustable design (Fits XS-XL)