The oldest shop in London and the oldest hat shop in the world.

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    QEST flat cap

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    Lock & Co. is proud to present this commemorative cap in collaboration with QEST.

    This cap is made from 100% Teflon-coated wool.

    QEST, is a charity of the Royal Warrant Holders Association with HRH The Prince of Wales as its patron, supports British craftsmanship through funding the training and education of talented and aspiring craftspeople. 2020 sees QEST mark its 30th anniversary and to mark this occasion, we've created this cap.

    £10 from the sale of each QEST cap will be donated to QEST.

    The cap comes with a complimentary canvas cap bag.

    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 or hat by shaking off the water and leave at room temperature.

    Based on hat size EU59 - 6 cm peak, 22 cm diameter. 100% wool

    mens hat care

    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.

    mens hat sizing

    We work with the best fabrics, sourced exclusively from around the world. Drawing from our unique British heritage and craftsmanship, with scrupulous attention to quality and fit.

    Lock & Co. Hatters Shop

    ‘A Locks hat is a hat for life’

    Should you wish to speak to one of our Hatters or Stylists, please email us at or via our Contact Us page. Our team is working Monday to Friday from 10am until 5pm, UK time. Simply add your preferred contact method – WhatsApp, video call, telephone, or email – and one of our team will be in touch.