MATERIALS: 100% Polyester Mesh Lite Lining Hi-Vis Reflective Body Material, Lightweight, Breathable, Durable, and Machine Washable. Customers who prefer a Loose Fit may order the next 1-2 sizes up. Please check the size chart before placing the order! | HIGH VISIBILITY AND 360¡ã REFLECTIVITY: Black safety vest is highly visible with Four 2-inches wide Yellow color trims reflective strips covering the chest, the waist, and the back, she can reflect 360 degrees Retro-Reflective light wave under daylight or low light conditions. | 9 MULTI-FUNCTION POCKETS DESIGNED: The vest comes with 9 Front Pockets | 2-Tier PVC Transparency ID Badge Pocket | A set of Zipper and Velcro Flap closure pockets and a hidden D-Ring | 2 Expandable Utility Pockets with side hand-insert pockets. Sizable storage space for cell phone, small flashlight, and other daily lightweight items. | APPLICATIONS: Great for municipal workers, construction and renovation workers, contractors, site engineers, superintendents, surveyor, foresters and conservation workers, FAA airport ground crews, fulfillment center/warehouse workers, public safety marshal, crossing guard, traffic and parking attendants, securities, transportation and truck drivers, survey crews, and volunteers. Or for recreational activities such as cycling, wilderness hiking, park walking, jogging, and motorcycling. | CERTIFICATIONS: Full compliance with ANSI/ISEA 107 Class 1. Any manufacturing defect is eligible for Exchange or Refund