Hettie Marchbank's workroom in Stockbridge, Edinburgh, smells of steam and felt. Wooden hat blocks, some more than a century old, line the shelves like a silent audience. On the bench sits a fedora in moss-green felt, its brim still damp from shaping, waiting for a band of hand-dyed grosgrain and a single pheasant feather. Marchbank has made hats for twenty years. For most of them, she says, she felt like the curator of a lost art. Now she cannot keep up.

The return of the structured hat has been one of the quieter stories in fashion over the past few seasons. Wide-brimmed felts, soft berets, flat caps in heavy tweed and elegant cloches have all reappeared on runways and, more tellingly, on the street. Milliners across Britain report rising orders, and several have opened waiting lists for the first time. Marchbank's own book is full until the spring.

What a hat asks of you

Part of the appeal is practical. A good felt hat keeps off rain and sun better than most umbrellas or caps, and lasts for decades with a little care. But Marchbank believes the deeper reason is psychological. A hat, she argues, is an unusually decisive accessory. You cannot wear one half-heartedly. It changes how you hold your head, how you walk through a door and how other people look at you.

A hat is a small act of courage. The first time you wear one out, the whole street seems to turn. — Hettie Marchbank

Making a hat by hand is slow and physical work. A felt hood, the raw cone of pressed fur or wool, is softened with steam and stretched over a wooden block, then left to dry and set. The brim is shaped separately, sometimes over a second block, and stiffened with a light sizing. Finally the hat is trimmed, lined and fitted with a leather sweatband. A single fedora can take Marchbank two full days.

Her clients are more varied than one might expect. There are racegoers and wedding guests, of course, but also farmers, architects, a retired ship's captain and a growing number of young people who discovered hats through vintage shopping. Fittings involve trying on dozens of shapes before settling on one, and she believes almost anyone can wear a hat as long as the proportions suit their face and frame.

Her advice for beginners is simple. Start with a soft, neutral felt in a shape that echoes the lines of your face, and wear it for everyday errands before attempting a grand occasion. Store it upside down on its crown, brush it gently with a soft bristle brush and never leave it on a hot radiator. Above all, she says, commit. A hat worn apologetically always looks borrowed.

As I leave, a young woman arrives to collect a burgundy cloche she ordered months ago. She tries it on before the long mirror by the door, tilts it slightly to one side and stands very still for a moment. Then she smiles, thanks Marchbank and walks out into the Edinburgh drizzle without an umbrella, her head held noticeably higher than when she came in.