The Tilley R2 is a premium Madagascar Raffia Hat designed for maximum sun protection, especially for women. The brim is 2 3/4" and can be worn up or down all around. There is a comfortable interior sweatband. The hat is treated with water resistant finish for wear in any weather, and the straw has a UPF rating of 50+, meaning it has been tested to block 98% of UVA/UVB radiation. A perfect hat for gardening, golfing, or traveling to distant lands in sunshine or in rain.