Alex Eagle is not a logo person. But many of her customers are.
The London-based designer sells an assortment of minimalist essentials — thick cashmere sweaters, pleated trousers and crisp Oxford shirts. Her eponymous brand’s name appears only on a tag tucked discretely inside — with one major exception.
One of Eagle’s best-known products is a baseball cap bearing the phrase “Alex Eagle Sporting Club” in block letters across the front. The designer said she started selling the…

