The Grosvenor Rust Windowpane Flat Cap is the perfect blend of classic elegance and modern sophistication, designed for the autumn and winter months. Handcrafted from a luxurious mix of wool and cashmere, this cap provides a soft, comfortable fit with exceptional warmth. The rust colour, accented by a timeless windowpane check, adds a stylish touch to any outfit.
With a streamlined, narrower shape, this cap offers a refined profile that effortlessly complements both city and countryside looks. Finished in the EU with a full lining and impeccable craftsmanship, the Grosvenor cap showcases flawless stitching and a flattering fit. Featuring Lock & Co.'s signature lining, it guarantees both comfort and durability, making it an enduring addition to your wardrobe.
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.

Place a tape measure around your head positioned mid-forehead and just above the ears.

What size is my head? Take note of the measurements in centimetres or inches.

What's my hat size? Use the hat sizing chart below to find what hat size you are.
