The MILWAUKEE® L/XL AR/FR CAT. 1 Class 2 Mesh High Visibility 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 internal pocket for easy access to essential items while on the job. The yellow safety vest features a quick internal 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 4.1 cal./cm². Class 2 high visibility vests are recommended for working in environments requiring additional visibility, traffic traveling under 50 MPH,and/or around heavy machinery. AR/FR CAT. 1 Class 2 Safety Vests are ANSI compliant .