REVISED! SIMMS GORE-TEX EXSTREAM HAT – Designed for the hardcore angler, the 3-layer GORE-TEX fabric offers 100% waterproof, breathable protection from the elements. Quilted fleece lining for warmth in the most extreme conditions. Plush elastic sweatband and adjustable circumference with back cord lock. Ear flaps may be worn up over the cap or Velcro secured under chin to provide full protection. Black under-brim for reduced glare. Color is Carbon. One size fits most.