The Tracer360 vest is an essential part of my morning and evening run gear, from fall until the sun returns in the spring. The vest is super lightweight, easily adjustable, and is battery powered. The vest can flash or have solid colors, and stands out for not just having reflective taping but actually producing light from your shoulders and entire front/back, so you are much more noticeable in the dark! They also make a dog version so your pup can stay safe too.