This article is also available at Performance Sports Retailer magazine.
See pg 10 & 11 in .pdf link:
GoMotion’s chest- and waist-mounted performance lighting systems extend the day through use of exclusive CoreBeam technology: a high-output, low profile LED innovation that illuminates the width of a two-lane road at 25 feet. Anchored to the sternum or waist, GoMotion’s stability is matched by its flexibility. A unique fresnel style lens provides a long-range beam width adjustability as well as minute adjustments of beam angle and beam strength.