Portwest S191 - Hi-Vis Long Sleeve Pocket T-Shirt Features 2'' silver heat seal reflective tape 100% polyester moisture wicking fabric Pocket: 1 left chest 50+ UPF rated fabric to block 98% of UV rays Taped neck seam for extra comfort Crew neck Shell Fabric: 100% Polyester, Bird Eye Knit 4.5oz Standards ANSI/ISEA 107 TYPE R CLASS 3 EN ISO 20471 Class 3 RIS 3279 TOM Issue 2 (Orange Only)