Flat Cap (Hats)

A flat cap stitches one low, rounded crown, cut from a single piece or two matched panels, straight onto a short stiff peak at the front. The whole crown sits close to the head, with almost no height and almost no fullness anywhere in it.

Wool tweed is the traditional cloth, often herringbone or houndstooth, heavy enough to hold a soft dome shape and warm enough for outdoor wear on its own. Cotton and cotton twill versions trade that warmth for a lighter cap suited to milder weather, and both are lined inside, usually in a thin cotton or a slippery synthetic that lets the cap slide on and off without pulling hair. The peak is stiffened with a buckram or cardboard insert sewn between two layers of the outer cloth.

A baseball cap shares the front peak but nothing else, since its crown is built from five or six curved panels sewn up into real height, where a flat cap stays low the whole way round. A beret goes further still, with no peak at all and a felted disc that drapes rather than sits structured. The closest relative is the newsboy cap, and the difference comes down to panels and volume: a newsboy cap gathers eight fuller panels into a button on top, adding real room over the crown, while a flat cap uses far fewer panels and carries almost no extra volume anywhere.

A neat silhouette that sits close to the head suits anyone who wants a cap that reads tailored rather than casual, and the low crown works well under a coat hood without adding bulk. A wider or larger head should look at a newsboy cap instead, since there is no volume up top here to balance width. Wool tweed is the plain weakness: it holds water in real rain and takes a long time to dry out fully.

Most flat caps are fitted rather than adjustable, so measure your head a finger's width above the ears and buy to that number in inches or centimeters. Brush wool tweed with a soft clothes brush to lift dust and dirt before it works into the weave, spot clean rather than soak it, and store the cap on a rounded form or stuffed with tissue so the crown does not crease flat.