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New Balance NB523 Overview
Colors
Light Grey Crystal
Matte Beige Crystal
Matte Navy Crystal
Size
Lens width
Bridge
Temple
Lens height
55
16
140
—
All measurements in millimetres.
Frame details
Brand
New Balance
Model
NB523
Shape
Rectangle
Rim
Full Rim
Hinges
Spring hinges
Collection
Eyeglasses
Gender
Men's
About the New Balance NB523
The New Balance NB523 is a men's rectangular frame with a full rim design. Spring hinges allow the temples to flex outward for added durability and comfort during wear.
This frame measures 55-16-140: a 55mm lens width (regular fit), 16mm bridge (average for this lens width), and 140mm temples (standard length). The 55mm lens width provides a regular fit suitable for most face widths, while the 16mm bridge sits at an average distance from your face. To compare with glasses you already own, check the three numbers printed on the inside of the temple.
Order the frame on its own or add prescription lenses made in our U.S. lab: single vision, OmniLux® NAL® lenses or progressives, and prescription sunglasses with Transitions®, tinted or polarized lenses. Free U.S. shipping on every order with prescription lenses.
Frequently asked questions
Which size is the NB523?
It comes in one size, 55-16-140. If the first number on the temple of your current glasses is 53–57 mm, it will fit you in a similar way.
Is the NB523 good for progressive lenses?
Yes. Progressive, OmniLux® NAL® and iLux™ lenses can be made in this frame. If you would like us to confirm the fit for your prescription, contact us before you order.
What are spring hinges?
A small spring in the hinge lets the temple flex outward slightly, which reduces pressure at the sides of your head and helps the frame last.
If you already own a pair of glasses, you'll find numbers engraved on the inside of the eyewear temple. These numbers indicate the following:
LENSWIDTH (A)—
BRIDGEWIDTH (DBL)—
TEMPLELENGTH—
LENSHEIGHT (B)—
The first number is the lens width followed by the bridge width. The third number represents the temple length, or the measurement of the arms of your frame. In some cases there may be a fourth number that indicates the lens height. Measurements in mm.
New Balance NB523
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