LED reflective vests combine active illumination and passive reflectivity to dramatically improve nighttime visibility for workers, cyclists, and outdoor enthusiasts. This guide examines key benefits including USB-rechargeable lighting (8-12 hour runtime), waterproof designs (IP65 rated), and multiple light modes (steady/strobe/SOS). We compare industry standards (EN ISO 20471, ANSI/ISEA 107) and provide a buyer’s checklist covering certifications, comfort features, and common selection mistakes. For businesses, we highlight bulk purchase advantages like 20% discounts on 50+ units and custom logo options. Practical applications span construction, traffic control, sanitation, and outdoor sports, with tailored recommendations for each use case. The article concludes with safety statistics showing 62% accident reduction in professional settings using LED-enhanced PPE.