Streamlined 360 Retroreflectivity Vest. Appear plain as day at nighttime in this bright reflective vest. Made of lightweight mesh with stretch, this running vest wears easy and won't weigh you down. Adjustable sides make for a personalised fit every time, and 360 retroreflectivity keeps you highly visible in low light. This reflective running vest is a must-have for any runner hitting the path after sundown.