MATERIAL, RANGE, AND SIZING: Cooling Hi-Vis Vest made from 100% Polyester mesh fabric. Available in Yellow (S-7XL), and Orange (M-5XL). VISIBILITY: Hi-Vis work vest providing guaranteed visibility at all times - designed with 2” silver reflective tape with a contrast color material. COMFORT AND FIT: Hi-Vis work west made from extremely breathable and cooling fabric, making this product ideal for hot climates. Designed with a zipper closure, this Hi-Vis work vest ensures a secure throughout working hours. COMPACT: Highly compact Hi-Vis garment, designed with 4 solid polyester pockets for maximum security and ample storage. STANDARDS: ANSI/ISEA 107-2015 TYPE R CLASS 3