Workrite FR Flame Resistant Insulated Bib Overalls Blue HRC 4 580NX60RB XXL-R Workrite FR flame-resistant insulated bib overalls in a bold royal blue and black colorway. These heavy-duty coveralls feature an HRC 4 rating and an Arc Rating (Ebt) of 54.7, making them ideal for high-risk electrical or industrial environments. Designed with adjustable elastic shoulder straps, a full-front zip closure with a protective storm flap, and reflective silver tape at the lower legs for enhanced visibility. The quilted lining provides warmth for cold-weather work, while the durable Nomex construction ensures long-lasting safety and performance. Made in the USA. Measurements: • Inseam: 29"