The Cape Cod Wave hat is a top-of-the-line Adams cap. Available in two kinds of trucker hats, or Ivory or Stone with a Royal Bill. The hats are made of 100% garment-washed cotton twill. They have a 6-panel, unstructured low profile; Cool-Crown mesh lining; and a tuck-away leather back strap with an antiqued brass buckle and grommet. Cape Cod Wave hats are made locally on Cape Cod at Howlingbird Studio in Falmouth.