The US397 Vests US397YERS by PORTWEST LLC are high-visibility safety vests designed for optimal protection in low-light conditions. Made from lightweight, breathable materials, these vests feature reflective strips that comply with ANSI/ISEA 107 standards, ensuring they meet rigorous safety requirements. The small size offers a comfortable fit for individuals, making them perfect for construction, roadwork, and emergency services. With multiple pockets for tools and personal items, the US397 vests combine practicality with safety, making them an essential addition to any workwear collection.