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Rectangular Black TR90 Sunglasses #BS8240-0340
£12.73
Other retailers£120.09
Built from TR90, the black rectangular frames feel barely there while offering the strength needed for regular wear.
Dimensions
Frame Width: 146mm
Bridge Width: 19mm
Temple Length: 141mm
Lens Height: 40mm
Lens Width: 55mm
Minimum PD: 66.5mm
What Our Customers Say
Min-seo K., Seoul
★★★★★
Finally, glasses that fit my face AND my budget.
I have a small face, so finding well-fitting glasses is always a struggle. This site has a great selection of smaller frames that actually look good on me.
Kendra L., San Diego
★★★★★
Didn’t expect much… but wow.
I’ll admit I was skeptical. Glasses this cheap? I figured they’d feel like toys. But when they arrived, they actually looked and felt way better than expected. Legitimately impressed.
Marina C., Chicago
★★★★★
Shockingly fast shipping
Was ready to wait a couple of weeks since it’s not a big retailer, but my glasses came in less than a week. Totally unexpected and very welcome.
Zoey R., Manchester
★★★★★
This is basically the SHEIN of glasses
Endless styles, ridiculously low prices, and they actually look good on. If you like variety and don’t want to spend a ton, this site’s a goldmine.
Hassan Y., New York
★★★★★
Finally found a place that gets it
As someone who’s always breaking or misplacing glasses, I didn’t want to spend a fortune. These are stylish, affordable, and if I lose them… I won’t cry.
Conception
Why are the lenses so affordable? Blacksheep is the world's first eyewear incubator offering factory-price glasses – The lenses are designed by renowned manufacturers. You get your eyeglasses directly from the factories, with no middlemen or hidden fees.
Choose the Right Lenses for Your Glasses
All our lenses are customizable — from clear and blue-light options to tinted lenses for sun protection.
* Production time varies depending on the prescription, from 1 - 4 days.
Prescription Types

Single Vision
Corrects one field of vision:
near, intermediate, or distance.

Progressive Vision
Seamless transition between multiple
vision distances without lines.
Lens Types

Blue Light Protection
Filters blue light from screens to
reduce eye strain.

Tinted & Gradient
Stylish tint for sun protection
and driving.

Photochromic
Auto-darkens in sunlight and
lightens indoors.

Polarised
Reduces glare from reflective
surfaces for outdoor activities.
Lens Materials

Classic Lens
Standard CR-39 for excellent optical
clarity and daily use.

Premium Lens
Thinner, lighter high-index 1.60. Designed for
daily comfort and active routines.

Superior Lens
Thinnest High-Index 1.67 for
high-power prescriptions.