Summer headwear is a broad term that encompasses a variety of hats and other accessories designed to protect the head from the sun's rays. Strawhat, with 8 letters, is a type of hat made of straw, which is a natural material woven into a hat shape. Sunbonnet, with 9 letters, is a brimmed bonnet with a wide brim that is typically tied under the chin to keep it in place. Sunhat, with 6 letters, is a hat with a wide brim that is designed to shade the face and neck from the sun.