High-Visibility Vest Safety Sign - Mandatory PPE Symbol #3439380 (License: Personal Use)

The image displays a standard ISO-compliant safety symbol: a white high-visibility vest with reflective stripes on a solid blue circular background. This design follows the ISO 7010 standard for mandatory action signs, where blue signifies a required behavior. The vest icon clearly represents personal protective equipment (PPE) that must be worn in designated hazardous zones.

This image is typically used on safety signage, training materials, workplace posters, or digital dashboards to communicate mandatory PPE requirements. It matches user intent for safety compliance, OSHA/ISO standards reference, or visual guidance in high-risk environments like construction, transportation, or warehousing.