VEA-300B-OR High Visibility Safety Features Compliant High Visibility Shirt Material (ANSI/ISEA 107-2010) This Garment is NOT ANSI Compliant High Visibility Orange - a.k.a. Fluorescent Red-Orange Shirt Material Lightweight & Soft 4.1oz Performance Fabric 100% Polyester 140 gsm Birdseye Knit Moisture Management Wicking - Wicks Moisture 3X faster than Cotton Minimizes Odor Additional Features Short Sleeve Polo Rib Knit Collar 3-Buttoned Placket This shirt is sold without retroreflective tape. These shirts are not ANSI certified due to the lack of tape. The background fabric does meet requirements specific to the testing of the fabric itself, such as colorfastness and chromatography. Size Guide: VEA-300B High Visibility Orange Polo Shirt - Size Chart A C D Shirt Exterior ChestCircumference Center BackLength SleeveLength SKU SM 38 29-1/2 9-3/4 3000Z1B MD 42 30-1/2 10 3000Z1C LG 46 31-1/2 10-1/4 3000Z1E XL 50 31-1/2 10-1/2 3000Z1G 2X 54 32-1/2 10-3/4 3000Z1J 3X 58 32-1/2 11 3000Z1L 4X 61 33-1/2 11-1/4 3000Z1N 5X 64 33-1/2 11-1/4 3000Z1Q 6X 67 34 11-1/2 3000Z1S +/- 1 1 1 All measurements are in inches to the exterior of the garment.