3.4-ounce, 100% polyester mesh Meets ANSI / ISEA 107 standard Meets ANSI Class 2 type R visibility standard; Reflective material maintains performance through 50 home launderings Triple-stitched main seams Zippered front closure Utility band at shoulder Left-chest pocket with pen stall Secure hook and loop lower front pockets Tricot lower-front pockets Replaces 100501 Imported