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 107-2015 TYPE R CLASS 3 EN ISO 20471 Class 3 Washcare