Lock & Co. are proud to launch a new limited edition James Bond hat. View

Tremelo Leather Bakerboy Cap

Our signature bakerboy style beautifully reimagined in leather makes this a must-have tremelo cap.

The Tremelo is our signature bakerboy style at Lock & Co. Wearing this full, rounded iconic style classic with a modern brim in leather, you will always be on the smart side of casual. It is no wonder that this eight-piece cap is a best seller.

Tremelo Leather Bakerboy Cap



Measurements based on a bakerboy cap size EU 59 cm:

Peak Length: 6 cm
Diameter: 26 cm


Use a soft bristle hat brush to remove any dirt or dust. Use a damp cloth to remove any stains.

Wet hats should be lightly shaken to remove excess water and then dried at room temperature.

Leather hats are best stored in a hat box, away from direct sunlight.


Crafted from 100% goatskin leather, be assured this timeless bakerboy cap in navy will stand the test of time.

Finished with a 100% cotton lining.

Styling & Fitting

Our recommendation is to wear your bakerboy just above the eyebrows and style it at an angle or level, whichever suits you best.

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

Bakerboy 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.
100 % Goatskin Leather
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.
Standard 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.