There are top hats – and then there are Lock's top hats. Shop Top Hats

Visby Wool Baseball Cap

The Visby is a refined, classic interpretation of the baseball cap that is rich in detail.

The Visby is a supremely soft wool cap, while also being waterproof, windproof, and beautifully lightweight. The outside of the cap has embroidered Lock & Co. branding.

Visby Wool Baseball Cap



Peak length: 7.5 cm, Peak width: 18.5 cm


Made with Storm System® which features a dual barrier: a water-repellent surface treatment and exclusive hydrophilic membranes applied to the back of the fabric through a Loro Piana-designed and implemented lamination process. The hydrophilic membrane is water-repellent and windproof while remaining completely breathable, lightweight, elastic, and resistant.

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

Baseball 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.
Loro Piana Storm System® Cashmere
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.
Classic 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.
Water-Repellent Windproof Lightweight
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.