Class 3 High Visibility Yellow Mesh Safety Vest, L/XL Size, ANSI/ISEA 107-2015 Type R Class 3 Compliant, Breathable Mesh Material for Airflow and Comfort, Silver Reflective Tape Stripes for Maximum Visibility, Zipper Closure, Highest Level of Visibility for High-Speed Traffic and Construction Zones, Quick Internal Size Adjustment.