W66
£ 39
Unisex square sunglasses in black or grey.
- Size: 53-17-140 mm, lens depth 39 mm
- Colours: Black, Grey
- Case & microfibre cloth included
- Lenses made in our UK labs
- Free delivery
- Free 30-day returns
About the Solo W66
W66 Prescription Sunglasses
There is a reason square glasses never really go out of fashion. The W66 is a pair of unisex full-rim square sunglasses, sized 53-17-140, in Black or Grey. It can be made with your prescription, so you can see clearly and keep the sun out at the same time. It is part of our Solo range.
Choosing your W66 colour
Black. Black is a deep, solid black. It is shown with grey lenses. It looks sharp at work and just as good with jeans at the weekend.
Grey. Grey is a soft, neutral grey. It is shown with grey lenses. It goes with almost everything and never draws too much attention.
Each colour is shown in the gallery, so you can compare them side by side before you decide.
About the W66 design
Square lenses add structure to round and oval faces and make features look more defined.
The W66 is an easy everyday pair of prescription sunglasses for driving, walking and weekends outdoors.
How to wear it
Keep a pair in the car and another in your bag and you will never squint at the glare again.
Frame size and fit
| Brand | Solo |
|---|---|
| Colours | Black, Grey |
| Frame size | 53-17-140 mm (lens width, bridge, arm length) |
| Lens depth | 39 mm |
The 53mm lenses make this a medium frame that suits most faces. The 17mm bridge is average. The 140mm arms are a standard length. Across the lenses and bridge it measures about 123mm.
Not sure about sizing? Compare these numbers with the ones on the inside arm of a pair that fits you well. A difference of two or three millimetres or less usually means a similar fit.
Prescription lenses for the W66
The W66 can be made with any of these lens types:
- Varifocals if you want to see near and far without swapping glasses.
- Single vision for one task done well, such as driving, reading or screen work.
- Bifocals if you prefer a clearly defined reading area.
- Ready readers for straightforward close-up help.
The 39mm lens depth gives varifocal lenses plenty of room. Want lighter lenses? A high-index lens is thinner than standard plastic. Pair it with an anti-reflective coating for less glare when you drive after dark.
What you will need
Have your prescription to hand before you start. It shows the sphere, cylinder and axis for each eye, and sometimes your PD. If the PD is missing, your optician can give it to you. Then choose your colour and lens type, enter your prescription and add any extras, such as thinner lenses or a coating. You can check everything in your basket before you pay.
Made for you in our UK lab
Your W66 is glazed in our UK-based lab. Once you have chosen your lenses and entered your prescription, we cut and fit the lenses and check the finished glasses before they go out.
Keep them looking new
Clean your lenses with a microfibre cloth rather than your jumper, keep them in their case when they are in your bag, and do not leave them on a sunny car dashboard. Our lens care guide has more tips.
Your questions, answered
Can I get the W66 with my prescription?
Yes. Choose single vision, varifocal, bifocal or ready reader lenses when you order.
Can I get varifocal lenses in these sunglasses?
Yes. The 39mm lens depth gives varifocal lenses enough height for all three vision zones.
What size is it?
It is size 53-17-140: 53mm lens width, 17mm bridge and 140mm arms, a medium fit.
Where are my lenses made?
In our UK optical lab. They are cut to your prescription, fitted into your frame and checked before they are sent out.
Want to compare? See more prescription sunglasses.
Lens prices
Lens types
| Lenses | Single Vision | Bifocal | Varifocal |
|---|---|---|---|
| 1.5 Index (standard) | FREE | ÂŁ40 | ÂŁ69 |
| Transitions | ÂŁ50 | ÂŁ90 | ÂŁ119 |
| Sunglasses tint | ÂŁ10 | ÂŁ50 | ÂŁ75 |
| Blue light filter | ÂŁ30 | ÂŁ70 | ÂŁ99 |
Basic 1.5 Single Vision lenses with anti-reflection coating are included in the frame price.
Thinner lens upgrades
| Lens index | Single Vision | Bifocal | Varifocal |
|---|---|---|---|
| 1.6 + HMC | ÂŁ30 | ÂŁ70 | ÂŁ95 |
| 1.67 + HMC | ÂŁ50 | ÂŁ90 | ÂŁ119 |
| 1.74 + HMC | ÂŁ70 | – | ÂŁ135 |
Higher index lenses are thinner and lighter, and are worth it for stronger prescriptions. All include an HMC coating.
Frame details & size guide
Specifications
| Brand | Solo |
|---|---|
| Bridge Size | 17 |
| Color | Black, C1-GREY |
| Eye Size | 53 |
| Lens Depth | 39 |
| Temple Length | 140 |
How to read frame sizes
The three numbers (for example 48-20-140) are the lens width, the bridge and the arm length in millimetres. Compare them with a pair you already own.

Delivery, returns & what is included
Delivery
- Single Vision: 5-7 working days
- Bifocal: 7-10 working days
- Varifocal: 7-10 working days
- Dispatched within 48 hours by tracked Royal Mail service
Delivery is free. Your estimate for your country is shown at checkout.
Returns & exchanges
Free 30-day returns or exchanges. If your glasses are not right for you, we will make it right.
What is included
- Anti-reflection lenses included
- Case and microfibre cloth
- Lenses made in our UK optical lab
- All frames CE marked
- Worldwide delivery
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