Simms HGE1119000 Goretex Extreme Hat OliveThis hat provides hardcore anglers with waterproof, breathable protection. Features3layer GORETEXÂ fabric offers 100% waterproof, breathable protection Quilted fleecelining for warmth in the most extreme conditionsEar flaps may be worn up over cap or secured under chin to provide extra protection Plush elastic sweatband and adjustable circumference with back cord lock One size fits mostMaterial : 100% Polyeste