ANSI 107-1999 Class 2 compliant. Cool and comfortable this design is enhanced with ANSI Compliant orange trim reflective tape for superior color contrast and daytime conspicuity. Background material is 100 percent Polyester bright, breathable open weave knit mesh. 2 inch 3M Scotchlite reflective tape is compliant with Class 2 configuration - One 360 degrees horizontal reflective stripe and two vertical shoulder stripes. Hook and Loop closure. Machine washable. Great for warm environments.