Incorporating the essentials of the Run Safe Initiative - wearing reflective, carrying identification, and bringing along a cell phone for emergencies - into an easy and lightweight waist pack, the Nathan Reflective Belt is an all-in-one belt that helps keep runners and their valuables safe. Features a Power Stretch Mesh outer pocket that expands to hold items snugly in place. 360º reflectivity, 3M® Scotchlite® reflective detail. High-visibility ANSI yellow material. Waterproof ID card/medical emergency card included. ID detail directs emergency personnel to critical info. Fully adjustable belt.