The MILWAUKEE® 4XL/5XL AR/FR CAT. 1 Class 2 Breakaway High Visibility Safety Vest is engineered to carry more with lightweight protection. The Arc-Rated and Flame-Resistant Vest has ten pockets, including pen pockets, chest pocket with closure, and external pocket for easy access to essential items while on the job. AR/FR lightweight WESTEX® DH by Miliken® DH material provides added comfort when wearing the vest as part of a complete AR/FR garment system and rated to an ATPV of 5.7 cal./cm². The yellow safety vest features a quick external size adjustment for better fit and a durable pass-through slit for fall protection gear. The vests are compliant with NFPA 2112 for protection against flash fires and arc flash hazards. 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.