Camo Coll Outdoor Camouflage Boonie Mesh Sun Hats with Shield and Mask 65% Cotton, 35% Polyester Circumference:22.6"(57~58cm); One Size fits most adults! UPF 50+ excellent sun protection, anti-mosquito and vented Multi-function hat with 360 Degree full protection; the Shield will protect neck and ears from sunburn and the mask can protect face from dust Perfect for hunting, fishing, gardening or any outdoor activity