The MILWAUKEE® 4XL/5XL AR/FR CAT. 1 Class 2 Mesh High Visibility Breakaway Safety Vest is engineered to carry more with breathable protection. This Arc-Rated and Flame-Resistant Vest has ten pockets, including pen pockets, a chest pocket with closure, and an external pocket for easy access to essential items while on the job. The yellow safety vest features a quick external size adjustment for better fit and a durable pass-through slit for fall protection gear. AR/FR breathable, anti-static GLENGUARD® Mesh provides added comfort when wearing the vest as part of a complete AR/FR garment system and rated to an ATPV of 4.0 cal./cm². The high visibility reflective safety vests are required when working around traffic going 25 MPH or working around heavy machinery. This includes construction, road construction, traffic direction, utility crews, and survey crews. The breakaway vest is designed with five tearaway points located on the shoulders, sides, and front that can break away when caught or snagged. AR/FR CAT. 1 Class 2 Safety Vests are ANSI and CSA compliant and can be customized by adding a logo.