This 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