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Alpina Twist Four VL+ A8434131

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Alpina Twist Four VL+ A8434131

£94

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Details
Description

Frame Details

Brand:

Alpina

Manufacturer:

Alpina Sport

Gender:

Unisex

Year:

2017

Frame Colour:

Black

Frame Shape:

Wraparound

Frame Style:

Semi Rimless

Frame Material:

Plastic

Face Shape:

Heart, Oval, Round, Square,

Triangle

Lens Material:

Plastic

Lens Color:

Clear

UV Protection:

Category 3

Prescription Details

This frame is not suitable for prescription lenses.

Details

UV Protection Category: 1-3. Lens Type: Photochromic. Fogstop is a coating applied to the inside of the lens. It is not smooth but rough – seen through a microscope it looks quite fissured. This makes it impossible for moisture droplets to form a covering layer, i.e. to mist up the lens, impairing visibility. This could only occur if the humidity level was such that all the fissures are filled with water. But before this can happen, the stored moisture actually condenses, keeping the lens clear.

About Alpina Twist Four VL+ A8434131

The classic Alpina Twist Four VL+ A8434131 have Plastic frames paired with Plastic lenses. These popular designer sunglasses by Alpina have a great Semi Rimless frame and are Wraparound shaped. Perfect for different styles, the Twist Four VL+ match Black frames with Clear lenses for a trendy look. Shop our extensive range of 180 designer brands at SmartBuyGlasses UK and get free shipping on your Alpina sunglasses UK.

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To find your current frame size, you can check the inner temples of your frame. The measurements should be displayed in the format shown below:

Bridge Width

Temple Length

Lens Width

	Lens Width	Bridge Width	Temple Length
Extra-Small	Below 42 mm	Below 16 mm	Below 130 mm
Small	42-48 mm	16-17 mm	130-135 mm
Medium	49-52 mm	18-19 mm	136-140 mm
Large	53-58 mm	20-23 mm	141-150 mm
Extra-Large	Above 58 mm	Above 23 mm	Above 150 mm

* This is a general size guide reference. Depending on the style of the frame or brand you choose, some variance may occur.

To get started, you'll need a mirror, a ruler with millimeter (mm) measurements – or even better, a flexible tape measure – and maybe a friend to help ensure accuracy. You’re going to use all of these to work out the necessary frame width, bridge width, and temple length of your glasses.

Frame Width

The frame width is the total horizontal length of the glasses. To find this, measure the distance between your temples by looking in the mirror and placing your ruler or measuring directly over your face, above your brow. Record all the measurements in millimeters.

Bridge Width

The bridge width of glasses is the distance between one lens and the other.

To get the corresponding measurement at home, place the ruler on the bridge of your nose and measure its width.

The bridge width usually ranges from 15 to 25 mm.

Temple Length

Temple length refers to the arms of the glasses. Measure from the edge of your eyebrow all the way around your ear, to where you want the tip of the glasses temple to reach, as demonstrated in the image below.

Most temples have a bend to hook over the ears, so ensure the length you choose accommodates this curve for a snug fit.

And there you have it! The glasses you order don’t need to match up exactly to the measurements you’ve taken, but you can use the ranges provided in our guide to choose from S, M, L, or XL.

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