FLEXIT 6039
$ 198
A unisex rectangular frame in bronze, gold or lilac.
- Size: 51-17-135 mm, lens depth 33 mm
- Colours: Bronze, Gold, Lilac
- Case & microfibre cloth included
- Lenses made in our UK labs
- Delivered across Canada
- Free 30-day returns
About the FLEXIT 6039
FLEXIT 6039 Prescription Glasses
A clean rectangular frame works at the office, at home and everywhere in between. The FLEXIT 6039 is a unisex full-rim metal rectangular frame, sized 51-17-135, in Bronze, Gold or Lilac. You can order it with single vision, varifocal or bifocal lenses made to your prescription. It belongs to the Flexit range.
3 colours to choose from
Bronze. Bronze is a warm, brownish metallic finish. It brings warmth to the face and looks lovely with gold jewellery or a watch.
Gold. Gold is a warm, soft gold. It brings warmth to the face and looks lovely with gold jewellery or a watch.
Lilac. Lilac is a soft, pale purple. It brings a little personality without overpowering your features.
Still torn? Think about what you wear on an ordinary weekday, not on a night out. That is the colour you will be happiest with.
Shape and style
Rectangular lenses suit round and oval faces, adding a bit of definition. The slim metal construction keeps it light and neat, and it is easy to adjust at an optical store.
Whether it is your main pair or a spare, the FLEXIT 6039 is easy to live with.
Wearing it every day
Keep the rest of your look simple and let the frame do the talking. It works just as well with workwear as it does with weekend clothes.
Frame size and fit
| Brand | Flexit |
|---|---|
| Colours | Bronze, Gold, Lilac |
| Frame size | 51-17-135 mm (lens width, bridge, arm length) |
| Lens depth | 33 mm |
At 51mm per lens, it sits in the medium range, the most common adult fit. The 17mm bridge is average. The 135mm arms are a standard length. Across the lenses and bridge it measures about 119mm.
To check the fit, look at the three numbers printed inside the arm of glasses you already own. If they are within two or three millimetres, this frame should feel similar.
Lens options for the FLEXIT 6039
Pick the lenses that match your prescription:
- Single vision: the same prescription from edge to edge.
- Bifocal: distance at the top and a reading segment at the bottom.
- Varifocal: a smooth change from distance to reading, with no line.
- Ready readers: a fixed magnification for books, phones and screens.
The 33mm lens depth is on the slim side, so single vision or bifocal lenses usually work best. With a stronger prescription, a thinner high-index lens keeps the edges slim, and an anti-reflective coating cuts reflections from screens and street lights.
Ordering online is simple
You need a valid prescription from your optometrist and your pupillary distance (PD), the distance between your pupils. Many optometrists include your PD on the prescription; if yours does not, just ask for it. Choose your colour, pick your lens type, enter your details and add any lens upgrades. If you are unsure about size, compare the measurements above with a pair you already wear.
How your glasses are made
Your FLEXIT 6039 is made 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 sweater, 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
Is the FLEXIT 6039 suitable for varifocals?
The 33mm lens depth is fairly shallow, so single vision or bifocal lenses usually work better.
Is the FLEXIT 6039 comfortable for all-day wear?
Yes. It is a lightweight frame, and a thinner lens for a stronger prescription keeps the weight down even further.
What size is it?
It is size 51-17-135: 51mm lens width, 17mm bridge and 135mm arms, a medium fit.
Who makes my lenses?
Our own optical lab in the UK. Your lenses are made to your prescription and fitted into the frame before your glasses are sent to you.
Still deciding on the FLEXIT 6039? Browse more prescription glasses.
Lens prices
Lens types
| Lenses | Single Vision | Bifocal | Varifocal |
|---|---|---|---|
| 1.5 Index (standard) | FREE | $40 | $69 |
| Transitions | $50 | $90 | $119 |
| Sunglasses tint | $10 | $50 | $75 |
| Blue light filter | $30 | $70 | $99 |
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 | $30 | $70 | $95 |
| 1.67 + HMC | $50 | $90 | $119 |
| 1.74 + HMC | $70 | – | $135 |
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 | Flexit |
|---|---|
| Bridge Size | 17 |
| Color | Bronze, C1-GOLD 48Ă—19, Lilac |
| Eye Size | 51 |
| Temple Length | 135 |
| Lens Depth | 33 |
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 to Canada: the cost and your estimate are shown at checkout before you pay.
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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