This highly breathable vest helps ensure comfort as well as safety.. ANSI/ISEA 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 standards