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Escorial Wool Grosvenor Flat Cap

The Grosvenor cap is a stylish flat cap crafted from luxurious Escorial wool.

This lightweight, durable cap has a softer than cashmere. The traditional silhouette has been updated with a modern twist and sports a flattering fit. This supremely dapper cap suits all styles and face shapes.

Escorial Wool Grosvenor Flat Cap


  • Peak Length: 5 cm
  • Peak Width: 17 cm

Steam from a household kettle and a hard bristle hat brush will help banish any dust and dirt. Brush the hat using short strokes.

Dry a wool cap by shaking off the water and leave at room temperature.


The Grosvenor cap is a stylish flat cap crafted from rare and luxurious Escorial wool, making it lightweight, resilient, and with a softer feel than cashmere. This hat is finished with our signature black satin lining and internal Petersham cotton sweatband.

Styling & Fitting

The traditional flat cap silhouette is updated with a modern twist for a more flattering fit. This supremely dapper cap suits all styles and face shapes and is available in a traditional brown check pattern, perfect for a casual country look, or a charcoal and black herringbone pattern, an ideal style for a chic city outfit.

We recommend you choose one size up.

How to measure your hat size. Read More

Hat Size Chart

Men's Hat Styling

Every Lock & Co. hat purchased is carefully and expertly hand-prepared in our London shop by one of our Hatters, before being whisked out of our famous green front door.

To find your perfect hat size, we suggest booking a virtual appointment for a consultation with one of our hatters here.


At Lock & Co., we sell the finest hats and caps. To achieve this, we pay particular attention to specific hat characteristics - style, fit, durability, and materials. We share these characteristics with you for each hat to help you decide on the perfect choice.

Find Your Size and Style

Flat Cap
At Lock & Co. we offer a wide selection of styles of hats. What defines a hat style is its form: overall shape, height/shape of the crown, width of the brim, and material type. These define a style e.g., Fedora, Trilby, Panama, Cloche, Tweed cap etc.
Escorial Wool
Lock & Co. hats are made of the finest quality material. These can range from exclusive Escorial wool, Scottish Tweed, and cashmere to Toquilla straw for our Panama hat.
Narrow Shape
Different styles of hats have different shapes to them, including classic, fuller, narrow, and standard fits, or with an oversized or a wide brim or sporting a particular shape - bell, birdcage, etc.
Lightweight Soft
Every part of a hat has its purpose. Discover the features or aesthetic of each hat and how it will specifically enhance your hat-wearing experience.