This revolutionary Portwest Glowtex™ Triple Technology Vest uses the latest innovation in light emitting technology, ensuring the wearer achieves the highest level of protection. It incorporates 3 fundamental properties: Brightly coloured fluorescent fabric for complete conspicuity in daylight, HiVisTex retroreflective tape which bounces light back to the source when under the illumination of headlights, and light emitting Glowtex™ phosphorescence tape which glows in the dark.