VEA-100B-OR High Visibility Safety Features Compliant High Visibility Shirt Material (ANSI/ISEA 107-2010) 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 Pocket Crew Neck T-Shirt 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-100B High Visibility Orange Shirt - Size Chart A C D Shirt Exterior ChestCircumference Center BackLength SleeveLength SKU SM 38 27-1/2 9-3/4 1000Z1B MD 42 28-1/2 10 1000Z1C LG 46 29-1/2 10-1/4 1000Z1E XL 50 29-1/2 10-1/2 1000Z1G 2X 54 30-1/2 10-3/4 1000Z1J 3X 58 30-1/2 11 1000Z1L 4X 61 31-1/2 11-1/4 1000Z1N 5X 64 31-1/2 11-1/4 1000Z1Q 6X 67 32 11-1/2 1000Z1S All measurements are in inches to the exterior of the garment.