100% Polyester fluorescent yellow mesh material with 2" reflective tape on shoulders and chest. Secures with front hook-and-loop closure. ANSI 107-2010 Class 2 High Visibility Apparel compliant. Class 2 - requirements for workers who are on or near roadways, where vehicle and equipment speeds are 25 - 50 mph. It is also intended for use in work areas where greater visibility is desired during inclement weather conditions and where complex backgrounds are present.