Colt 3548

Colt 3548 Prescription Glasses

A clean rectangular frame works at the office, at home and everywhere in between. The Colt 3548 is a men’s rimless titanium rectangular frame, sized 55-18-145, in Black or Gunmetal. You can order it with single vision, varifocal or bifocal lenses made to your prescription. It belongs to the Colt range.

Black or Gunmetal?

Black. Black is a deep, solid black. It is the safest choice if you only want one pair, and it never looks out of place.

Gunmetal. Gunmetal is a dark, smoky grey metal. It is cool, modern and understated, and it suits grey or silver hair especially well.

Each colour is shown in the gallery, so you can compare them side by side before you decide.

The details

Rectangular lenses suit round and oval faces, adding a bit of definition. With no rim around the lenses, the frame almost disappears on the face.

Titanium is very light for its strength and resists corrosion, so it stays comfortable and keeps its finish.

The Colt 3548 is a great everyday frame: smart enough for work and relaxed enough for the weekend.

Wearing it every day

Choose the darker colour for the office and the lighter one for a more relaxed look. Either way, it is an easy frame to wear every day.

Frame size and fit

At 55mm per lens, it is a generous size, a good pick if standard frames feel tight. The 18mm bridge is average. The 145mm arms are on the longer side, which suits larger heads. Across the lenses and bridge it measures about 128mm.

The easiest way to check is against glasses you already love. Most frames show their size inside the arm; if yours are close to these, you are in safe territory.

Lens options for the Colt 3548

Your optician’s prescription will usually tell you which of these you need:

• 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 36mm lens depth works with single vision, bifocal and many varifocal lenses. 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.

Ordering online is simple

You need a valid prescription from your optician and your pupillary distance (PD), the distance between your pupils. Many opticians 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.

Made for you in our UK lab

Your Colt 3548 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.

FAQs

Can I get varifocal lenses in the Colt 3548?

Yes. The 36mm lens depth gives varifocal lenses enough height for all three vision zones.

Can I wear the Colt 3548 for driving?

Yes. Single vision or varifocal lenses work well for driving, and an anti-reflective coating helps cut glare from headlights at night.

Is it a large frame?

Yes. With 55mm lenses it suits wider faces.

What does rimless mean?

There is no frame around the lenses. They are held by the bridge and arms only, which makes the glasses very light.

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 men’s glasses and prescription glasses.