1. USE a soft tape measure.
2. PLACE it around your head, positioned mid-forehead and just above the ears.
3. MEASURE in centimetres or inches.
4. FIND your size on the hat size chart.
You can find our instructional video on how to measure your hat size here: Hat sizing
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.
Should you wish to speak to one of our Hatters please email us at firstname.lastname@example.org or via our contact us page – and one of our team will be in touch.