Frame size: Medium
This frame is best suited for regular heads (55-57cm). Ideal for many face shapes and nose heights.
52mm-15mm-143mm (lens, nose, temples)
Free UK Delivery & Returns on orders over £20
Our standard free UK delivery time is 2-3 business days.
Prescription glasses, prescription sunglasses and ready readers are shipped after lenses have been fitted between 5-12 working days. For more information please visit our Shipping information page.
What size frame do I need?
For the great majority of people (more than 90% of our customers), Medium Width offers the correct fit. You can learn more about Bird frame sizes and how to find a suitable frame size with our official Size Guide
Returns & Exchange
You can return anything within 14 days of the original purchase date to receive a full refund or exchange for another style. Items must be returned in unworn and re-saleable condition. If you would like a free returns label, please email the team and we'll send you one (free returns only valid for UK addresses) Prescription lenses are non-refundable as these are created bespoke for each customer and cannot be reused.
A recycled aerospace aluminium frame, made with the same material used to make CubeSat satellites. Weighing less than 20 grams, you won’t even notice you are wearing it. We’ve engineered the hinges to sit neatly within the arms which can be moulded to fit your head shape.
- Colour: Brushed grey
- Gender: Unisex
- Material: Aerospace grade alloy
- Lightweight, only 18g
- Lifetime Guarantee
- Built-in flexible micro-hinges to adjust the arms to your head shape
- Cork case
- Share Your Sun cloth
Reframe Your World
If you have any old eyewear lying around give them a new breath of life with our sunglasses and glasses recycle scheme.
Learn about the science behind our repurposed bio-acetate and sustainable wood.
Replacing the use of fossil fuel burning lamps by distributing solar light to families in Africa.