3linear Ultra

Size Guide
Lenses Color
Sky Blue
Lime Green

2 items left

  • USA & Canada: 10-15 working days (to be safe)

    Mainland Europe: 12-18 working days

    Rest of World: Varies by country


    OOur Policy goes as follows; 15 days after an order is placed we will accept 100% return in store credit to GlimmerSpectacles. After 5 days of receiving the package we cant accept a returned package. Before that 5 days you may send the package back to us and we will administrate you a full price return of retail value in store credit.

    Eligibility for a full Refund in Cash: You have a 48hr window after the order to receive full money back, After that window expires, a new window opens up. 60 days after an order is placed you will be eligible for a refund at our discretion, if you haven’t received the order you have 30 days to file a claim for your order. The Money back window is from 60-90 days. If you happen to receive the item in that window, you can keep the item & a discretional amount of money will be refunded to you🙌


    *Please allow slightly longer for any promotional giveaways.






Customer Reviews

Based on 10 reviews

3linear Ultra


My face large sorry for that but glasses quality


Just as pictured. Good quality, not flimsy!




The glasses are just a bomb, went for a long time, but they're just super! Asked the seller to pack better, made! 100% recommend!!


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Size chart


Face Size Guideline

Face Size(Temple to Temple) Suggested Frame/Sunglasses Size
Below 115mm or below 4.5 inches Small
115mm or 4.5 inches Small
121mm or 4.75 inches Medium
127mm or 5 inches Medium
130mm or 5.125 inches Medium
135mm or 5.25 inches Medium
152mm or 6 inches Large
Above 152mm or above 6 inches Large


Framing Size

Frame Size Eyeglasses Sunglasses
Small below 48mm below 55mm
Medium 48mm-55mm 56mm-64mm
Large  Above 55mm Above 64mm


Find your current frame size

You may also use a pair of sunglasses you currently own to determine your best size. Frame sizing is typically noted on the inside of either temple (see illustration below). The eye/lens size is usually first, then the bridge size, then temple size. Use the eye/lens size to determine the best frame size.

The eye size is typically going to be the most important size for identifying how a pair of sunglasses will look. The eye size number measures the width of the lens, measured from the bridge, in millimeters. The bridge width is the distance between the lenses in millimeters. And the third number is the length of the temple in millimeters.

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