Zipper closure PROPER FIT, PROPER PERFORMANCE: Correct fit is essential for proper performance; that is why we make a size chart available (located in on images) to ensure that our customers find the right size for them. Size charts are available in both inches and centimeters measurements to maximize accuracy. We highly recommend using your shirt size as a reference. If you have any other questions or need assistance, feel free to contact us directly. We are always happy to help! WHERE STYLE MEETS SAFETY: Our KwikSafety EXECUTIVE Class 3 Safari Safety Vests are made out of Bright Breathable Polyester Mesh designed with Silver Reflective Tape for maximum visibility and black trimming to provide a clean, finished look. There are (2) Chest Pockets for smaller lightweight objects, and (2) Expandable Cargo Pockets with grommets to store bigger heavier items. SAFETY DESIGN REQUIREMENTS – Our KwikSafety EXECUTIVE Class 3 Safari Safety Vest is designed with a fluorescent yellow & orange background material with retroreflective/ combined-performance material bands specifically placed to comply with ANSI standards. Both the fluorescent background material and reflective bands were tested by ISO.IEC 17025 accredited lab. Its material does not affect the users adversely, is soft, and free of sharp edges that may cause irritation or injuries while in use. CLASS, TYPE & ALL THE HYPE: Here at KwikSafety we provide The Safety You Need | The Style You Want. Our Type R Class 3 safety vest has (1) horizontal band around the torso & reflective bands on the shoulders and sleeves to offer greater visibility & allow our vest to be used in occupational environments including exposure to traffic from public access highway right-of-ways or temporary traffic control (TTC) zones or work vehicles and construction equipment. ANSI COMPLIANT: Don’t entrust your safety to anything less. Crafted in full compliance with ANSI/ ISEA 107-2015 Class 3/ Level 3 safety vest standards, our Safety Vest is classified as Occupational HVSA for roadway uses. Providing day and night visibility enhancement, our KwikSafety Safety Vest can be used by roadway construction workers, utility workers, survey workers, forestry workers, school crossing guard, parking and tool gate personnel, and airport personnel.