Nite Ize LED Sport Vest (Black, Universal) Man-Made MaterialsEnter your model numberabove to make sure this fits.Man-Made MaterialsRED LED illuminated vertical stripes and horizontal 3M Scotchlite(TM) reflective material located on the front and back of the vestBright red LED illumination front & back with glow or flash modesRED LED illuminated vertical stripes and horizontal 3M Scotchlite™ reflective material located on the front and back of the vestBright red LED illumination front & back with glow or flash modesUniversal fit featuring an elastic side strap with adjustable hook & loop closure100 hour battery lifeEasily replaceable batteries included