8140BA Hi-Vis Safety Sash is a Type O, Class 1-approved protection measure for workers. Lightweight, ANSI-compliant polyester oxford fabric enhances visibility for workers in difficult conditions. X-back design keeps straps in place and highlights your back when facing the other way. Extra layer of 1.375" 3M Scotchlite High Gloss tape reflects light and protects you in the poorest lighting conditions. Easily take off with breakaway shoulders and sides to avoid entanglement. Store small items in outside pocket for quick accessibility.