The US397 Vests US397YERXL by PORTWEST LLC are designed for maximum visibility and safety in various work environments. Made from durable, breathable fabric, these vests feature reflective strips that comply with ANSI/ISEA 107 standards, ensuring high visibility in low-light conditions. The XL size provides a comfortable fit for larger individuals, making it suitable for construction, traffic control, and emergency services. With multiple pockets for storage, the US397 vests combine practicality with safety, making them an essential addition to any workwear collection.