ANSI/ISEA Type R Class 2 Compliant 2" Retroreflective Tape with 360 Degree Reflective Coverage High Visibility Lime - a.k.a. Fluorescent Yellow-Green Reflective 3M™ Scotchlite™ Reflective Material – 8906 Silver Fabric Trim Vest Material 100% Knit Polyester Mesh Vest Additional Features Clear Credential/ID Pocket with Hook & Loop closure X-Back Configuration 5 Point Breakaway (Shoulders, Sides and Front) Breakaway Zip Front Closure Heavy Duty Mic Tab 2 Internal Lower Pockets 1 External Lower Pocket Cell Phone & Pen/Pencil Chest Pockets 3M™ Scotchlite™ Reflective Material – 8906 Silver Fabric is certified to meet ANSI/ISEA 107-2015 clause 9.1 and 9.2 for coefficient of retroreflection. Size Guide: VEA-508 High Visibility Safety Vest Sizing Chart A C Exterior Chest Circumference Center Back Length SKU SM 39 27 508XP0B MD 42 29 508XP0C LG 46 28 508XP0E XL 50 28 508XP0G 2X 54 29 508XP0J 3X 58 29 508XP0L 4X 62 30 508XP0N 5X 66 30 508XP0Q +/- 1 1 All measurements are in inches to the exterior of the garment.