Glen Appin of Scotland

Glen Appin is a Scottish heritage brand that has been producing tweed and tartan headwear and accessories for decades. The catalog leans into the Scottish end of the flat-cap tradition — Highland tweeds, recognizable tartans, the kind of cap you'd see at a country show in Perthshire.

Construction is good factory work in proper Scottish cloth, which is the right balance for the price. They also produce coordinating scarves, ties and pocket squares, so you can build a Highland-themed kit from one source if you want to.

Pick them when you want a Scottish cap rather than an Irish one, or when the answer is specifically tartan.