This Portwest Berlin Executive Vest is made from 100 Percent polyester warp knit fabric weighing 125 g. It is designed for durability and visibility. Care instructions include: maximum wash temperature 40C, gentle process. Do not use bleach. Do not tumble dry. Line dry. Do not iron. Do not dry clean. Maximum 50 washes. Standards compliance includes: EN ISO 20471 Class 2, RIS 3279 TOM Issue 2 Orange only, and ANSIISEA 107 Type R Class 2.