ADIDASA(R) LED RUNNING BAND :: Don't be left out in the dark! Use the adidas LED Running Band band on your arm, wrist or ankle and be seen up to 1,000 feet away. You'll love how easy it is to just slap on and go, you can chose between glow or flash modes. Plus, it's water resistant and the battery is a breeze to replace. Definitely a must for any runner catching their workouts before dawn or after dark.