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New Balance NBK143 Overview
Colors
Blue Crystal
Grey Crystal
Navy Crystal
Size
Lens width
Bridge
Temple
Lens height
50
17
135
—
50
17
130
—
All measurements in millimetres.
Frame details
Brand
New Balance
Model
NBK143
Shape
Rectangle
Rim
Full Rim
Hinges
Spring hinges
Collection
Eyeglasses
Gender
Kids
About the New Balance NBK143
The New Balance NBK143 is a full rim rectangular frame designed for kids, featuring spring hinges for added flexibility and durability. The rectangular shape provides a classic, structured look suitable for children's faces.
This frame is available in two size combinations: 50-17-130 and 50-17-135, where the numbers indicate lens width, bridge width, and temple length in millimeters. The 50mm lens width falls on the narrow side of regular, while the 17mm bridge is average for this lens width. To compare with glasses you already own, check the numbers printed on the inside of the temple—these measurements will help you determine if this frame is similar in size.
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 NBK143?
It comes in one size, 50-17-130. If the first number on the temple of your current glasses is 48–52 mm, it will fit you in a similar way.
Is the NBK143 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 NBK143
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