This vest was developed in conjunction with surveyors from the California Department of Transportation. This vest meets ANSI/ISEA Class 3 107-2004 federal mandatory requirements. It is made from durable ANSI/ISEA-compliant polyester and polyester mesh. This vest has YKK® zippers. It has 4-inch (10.16cm) wide reflective tape with 2-inch (5.08cm) wide silver stripes. The padded collar is made with Outlast® fabric on the inside. This vest features multiple pockets for cell phone, tapes, radio, pencils, maps, spray cans, etc., plus two inside pockets. It comes with dual mic clips. The chest sizes range from 46-66 inches (116.84-167.64 cm). This vest is available in fluorescent orange and fluorescent yellow. Made at Geo de SECO, Mexico.