Swift
Frame size: Medium
This frame is best suited for regular heads (55-57cm). Ideal for many face shapes and nose heights.
54mm-18mm-145mm (lens, nose, temples)
Free UK Delivery & Returns on orders over £20
Our standard free UK delivery time is 2-3 business 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).
Experience the perfect fusion of style, performance, and functionality. Designed for runners and athletes with non-slip technology and elite anti-glare hydrophobic lenses. Packaged in our nest box to keep your Birds safe on their journey. All packaging can be recycled.
- Handmade eco-cork case
- FYB cleaning cloth
- Info & warranty card
- Free shipping
- Lifetime warranty
The VZN Series features our brand-new Active Adjust core, with set-and-stay technology. Adjust your frames to how to like them, and they won’t bounce back like regular sports frames. Meaning you get a bespoke fit every time.
- Anti-Reflection back coating
- Ultra lightweight frames
- Temple feather grips
- Five-barrel alloy hinges
- Non-toxic & hypoallergenic
Our Hawk and HawkX lenses offer 100% UVA protection, with anti-scratch and anti-glare technology.
Plant based acetates, recycled metals or renewable wood. We harness nature's strengths and colours to produce unrivaled sunglasses
If you have any old eyewear lying around give them a new breath of life with our sunglasses and glasses recycle scheme.