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) AMPHIPOD XINGLET OPTICBEAM USB VEST