The Oslo is a luxurious upgrade to the traditional flat cap. The cap is made of plush wool tweed and has internal ear flaps lined with soft fleece that can be worn down in colder weather.
The measurements are based on a size EU59 cm flat cap:
This cap is fully lined.
Steam from a household kettle and a hard bristle hat brush will help banish any dust and dirt from tweed or cashmere. Brush the hat using short strokes.
Dry a tweed or cashmere cap by shaking off the water and leaving at room temperature.
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.
To find your perfect hat size, we suggest booking a virtual appointment for a consultation with one of our hatters here.