Tilley Endurables TH9 Women'S Hemp Hat Hemp Imported Guaranteed for life not to wear out;Insured against loss for 2 years - all perils; 50% deductible Excellent sun protection, rated UPF 50+, the maximum rating given; Repels rain, floats and ties on in the wind Brim size: 3" front and sides; back 2 3/4"; Weight: 5.6 ounces Made from 100% hemp fabric Machine wash delicate or hand wash. Re-shape by hand. Air dry. Do not bleach. Wash it frequently or non-removable sweat stains will mar it and possibly rot it.