VEA-204-ST-OR High Visibility Safety Features ANSI/ISEA Type R Class 3 Compliant 2" Retroreflective Tape with 360 Degree Reflective Coverage High Visibility Orange - a.k.a. Fluorescent Red-Orange Reflective Material 3M™ Scotchlite™ Reflective Material – 8712 Transfer Films 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 Long Sleeve T-Shirt Pocket Crew Neck 3M™ Scotchlite™ Reflective Materials are certified to meet ANSI/ISEA 107-2015 clause 9.1 and 9.2 for coefficient of retroreflection. Size Guide: VEA-204 High Visibility Orange Shirt - Size Chart A C D Shirt Exterior ChestCircumference Center BackLength SleeveLength SKU SM 38 27-1/2 24-1/4 2040K1B MD 42 28-1/2 24-1/2 2040K1C LG 46 29-1/2 24-3/4 2040K1E XL 50 29-1/2 25 2040K1G 2X 54 30-1/2 25-1/4 2040K1J 3X 58 30-1/2 25-1/2 2040K1L 4X 61 31-1/2 25-3/4 2040K1N 5X 64 31-1/2 25-3/4 2040K1Q 6X 67 32 26 2040K1S +/- 1 1 1 All measurements are in inches to the exterior of the garment.