ECVISION UV 50+ Sun Protection Multifunctional Outdoor Flap Cap With Mask And Removable Sun Shield-Suitable For Fishing Hiking Garden Work Outdoor Activities (Blue) UV 50+ excellent sun protection Crown measures 5 inches deep, 5 panel, and unconstructed, side mesh; Flap measures 10 inches long, 18.5 inches wide, side mesh on the cap; Mask measures 8 inches long, 11.5inches wide, mesh in the middle to allow breathing The Cap may help cooling; the Shield will protect neck and ears from sunburn and the mask can protect face from dust. 100% polyester and the material is soft. one size fit with adjustable buckle.