Outdoor Research Force 9 Sombrero The Outdoor Research Force 9 Sombrero is a great hat when you go out for ocean fishing or on the beach; it will protect you from the sun, and stands up to the wind. As it has waterproof GORE-TEX technology, the water runs right off it and away, without soaking your head. It has got a rigid brim which stays flat in the wind. Made up of 100% Nylon and brushed tricot lining, this hat is quite durable for lasting quality. The foam-stiffened brim will float but stays firmly against your head, equipped with a buckle closure and dual anchor points on the chin cord. The size of the brim is 2 3/4 in. The Outdoor Research Force 9 Sombrero will shield you from chilling rain, harmful sun, and gusts of biting wind.