This is ANSI Class 3 Compliant with a 5pt Breakaway design. Made with lightweight, comfortable and durable 4.2oz Polyester Mesh, the safety vest has one external left chest 2-layer pen pocket, one external right chest pocket, two internal waist pockets, a heavy duty mic tab, adjustable side wraps, and adjustable sleeves. Click "Read More" for a video showcasing the adjustability.