CornerStone - ANSI 107 Class 2 Mesh Back Safety Vest. CSV405This highly breathable vest helps ensure comfort as well as safety., ANSI/ISEA 107 Class 2 certified, 100% polyester oxford for smooth printing, Dyed-to-match binding and Vislon zipper, Mesh inset at back for breathability, 2-in. wide reflective taping on front and back, Chest and lower pockets for pen and tools, This garment must be fully zipped to be in compliance with ANSI/ISEA 107 standards