For the ultimate in night-time safety, the PlasmaGlow LED Safety Jacket is a must. The one-size-fits-all jacket is designed with a light-weight mesh so it is comfortabe to wear and keeps you cool. Velcro straps keep the vest secure on any body type. Reflective fabric is sewn into the jacket, and embedded Red LEDs blink to make sure the user is visible. The vest is battery powered, and uses common AA batteries. There is an on/off switch, and they will last over 100 hours on one charge. Vests can be customized in any size, color, or with any logo.