This is an economy safety vest that's made of polyester mesh for breathability. It has a zipper front closure. There's 2 exterior waist pockets with a hook and loop closure, 1 exterior left chest pocket with a pen compartment, and 2" AwareLite™ reflective trim. Conforms to ANSI/ISEA 107 standard for design, color and reflectivity. No extra charge for larger sizes.