Radians SV225 Economy Class 2 Self-Extinguishing with Two-Tone Trim Safety Vest is ANSI 107 Compliant SE protection at an economical price. Garment is made from polyester treated to be self-extinguishing as defined by ASTM D6413 (< 2.0s flameout / < 6" char length). This garment should never be used where an arc flash or flash fire hazard is present.