UPF 50+ Women's Polyester Bucket Shaped Hat - Coral Stripe W12S45B 100% Polyester Made of 100% polyester. One size fits most, for women. UPF 50+ Excellent UV protection that blocks UVA and UVB. Crown measures 4 1/2 inches deep with raffia bow band. Brim measures 5 inches long, flexible and upturned with edge detail.