The Simms Gore-Tex ExStream Hat provides hardcore anglers with waterproof, breathable protection.Features:• 3-layer Gore-Tex fabric offers 100% waterproof, breathable protection• Quilted fleece-lining for warmth in the most extreme conditions• Ear 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• Available in Black/Olive; One size fits most