£250 including prescription lenses

Sleek and light. Titanium glasses with an innovative bridge. Turnbull is an elegantly rounded square, otherwise known as a ‘quadra’ shape. Named after George Turnbull, the engineer who built King’s Cross station, it features custom elements including a fluid single piece bridge, adjustable nose pads and temple tips based on Constantin Brâncuși's Bird in Space.

  • 99.7% pure titanium front
  • More than 4hv on the Vickers hardness test
  • Ion plated to over 0.3µ
  • Weighs under 5.0g
  • Adjustable titanium nose pads for a comfortable fit
  • UV protection


  • ZEISS ClearView Lenses, with DuraVision® coatings on all prescription orders
  • Ultra-strong grooved aluminium protective case
  • Refillable lens cleaner, cloth and Cubitts bookmark
  • Two year warranty across frames and lenses, plus a 30-day no quibble return
  • Complimentary frame rehab after a year

See it on a model

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Dave has a medium head and medium nose.
He wears Medium in Antique Gold.


Monica has a medium head and low medium nose.
She wears Large in Silver.


Toby has a wide head and medium nose.
He wears Large in Silver.


Dipa has a medium head and medium nose.
She wears Medium in Silver.

Our promises to you.

The craft

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Subtle design details, made with the world's finest titanium.