Lock & Co. Hatters

James Lock & Co. has been making hats at 6 St James's Street since 1676, which by most accounts makes it the oldest hat shop still trading in the world. The client list over the centuries is the stuff of hat-trade legend — they sold Nelson the bicorne he was reportedly wearing at Trafalgar, and the bowler hat is widely credited to their workshop in the 1850s. Their flat-cap line is much smaller than their famous formal-hat catalogue, but it's considered rather than an afterthought, and it draws on the same bench and the same standards.

The Muirfield and the Glencairn are the ready-to-wear workhorses — eight-piece caps cut from proper estate tweeds, lined in cotton, and finished by hand in the workshop above and behind the shop. The panel work is neat and the peak stiffening is done properly, which shows most clearly in how the cap holds its shape after repeated wear rather than starting to sag at the brim.

They also offer a bespoke or made-to-measure service: visit the shop on St James's Street, have your head properly measured with their conformateur, choose your cloth from the bunches they carry, and wait while it's built specifically for you. This is a genuinely different proposition from ordering a ready-to-wear size off a website, and the price reflects both the address and the bench time involved.

Sizing on the ready-to-wear caps follows a standard UK hat-size scale, and because the caps are relatively structured, a size that feels slightly snug new will generally settle in rather than get looser over time — the opposite of what happens with a soft unlined cap.

The honest caveat: this is by some distance the most expensive maker in this directory for a comparable eight-piece cap, and a chunk of that premium is the address and the history rather than a dramatic difference in raw materials from, say, a well-made Irish or Polish workshop cap. If budget matters more than provenance, there are caps elsewhere here built to a similar standard for meaningfully less.

Ordering online ships from the UK, and the bespoke route obviously requires either visiting London in person or working through their customer service to manage cloth selection and measurements remotely, which some overseas customers find adds friction compared with a straightforward web order.

Buy here when you want something that will genuinely outlast you and that has real history behind it rather than a marketing version of history — the flat cap will cost a fraction of a Lock fedora, but it comes off the same bench.