100% Genuine
Skip to product information
1 of 6

Michael Kors

Regular price £115.00
Regular price £221.00 Sale price £115.00
Save £106.00
Hot Deal Sold out
Taxes included. Shipping calculated at checkout.

VAT & Shipping Included in Deal Price

Colour
size
Lens width diagram
Lens Size:
54 MM
Bridge size diagram
Bridge Size:
17 MM
Temple length diagram
Temple length:
140 MM
Quantity

Michael Kors Bierzo Square Eyeglasses (MK4140U) (Michael Kors) is selling:
Fast! Last few pairs left of these 100% original designer eyewear. Buy Now Before the Deal Ends Forever!

Proudly British: Authentic eyewear, fast UK delivery, easy returns. Shop with confidence!

  • Free Delivery (Save £8)
  • 14 Days Return
  • 2 Year Warranty
Stock Level: Only a few left!
Select Lens and Purchase

Frames ship with the standard non-prescription lenses shown in the images. No lens coatings or vision correction included — choose Add Prescription Lenses above to upgrade.

100% Authentic Direct from authorized distributors
94% Ship in 24h Guaranteed delivery in 5–8 business days
14-Day Returns Hassle-free, even with prescription lenses
Real Humans 24/7 email and live chat support
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Description

Step into refined modern luxury with Michael Kors Bierzo square eyeglasses. This designer eyewear silhouette is a full rim frame whose crisp geometry anchors a sophisticated look for the urban professional. The injected front in classic Black pairs with metal temples for a refined contrast that catches the eye from every angle. Sized at 54mm with a 17mm bridge and 140mm temples, the Bierzo balances comfort with a commanding presence.

Crafted for durability and comfort, the Injected front provides lightweight resilience while maintaining a premium aesthetic. The metal temples ensure a secure, flexible fit throughout long days of wear. The frame line carries Michael Kors' meticulous attention to detail, with clean edges and precise hinges. For those who prefer a warmer look, the Dark Tortoise version offers a versatile alternative to classic Black.

Designed with prescription-ready customization in mind, this frame is offered on Ardor Eyewear as frame-only or with lenses fitted to your prescription. Select the prescription-ready option and we will tailor your lenses and ship them in 8–12 days, complete with official packaging. This service makes genuine designer eyewear accessible at authentic value, backed by expert fit and accuracy.

Face shape recommendations help you choose with confidence. For the oval and round face shapes, square silhouettes like Bierzo provide balance by softening angles. For heart-shaped faces, these frames still flatter with proportionate temple lines and clean geometry, offering a modern, flattering profile. If you have strong angles in your features, this square frame can create a poised, contemporary look.

As a UK-based luxury eyewear retailer and official stockist of premium designer brands, Ardor Eyewear guarantees authenticity, full manufacturer packaging, and competitive pricing. Enjoy fast delivery, transparent tracking, easy returns, and a seamless online experience—from virtual try-ons to home trials. With premium craftsmanship and a lifestyle of understated luxury, Michael Kors Bierzo elevates daily dress to a refined statement of confidence.

Product Specifications

Model Code: Michael Kors Bierzo Square Eyeglasses (MK4140U)
Brand: Michael Kors
Product Type: Eyeglasses
Barcode 725125524438
Gender: Women
Model Name: Bierzo
Theme: Glamour
Suits These Face Shapes: Round Face, Oval Face, Long Face, Narrow Face

Frame Specifications

Frame Shape: Square
Front Material: Injected
Frame Front Colour: Tortoise
Front Colour (detailed): Dark Tortoise
Frame Temple Material: Metal

Lens Specifications

Lens Color: Demo Lens
Lens Base Curve: Base 4

Size & Fit Details

Lens Width: 54 MM
Lens Height: 43 MM
Bridge Size: 17 MM
Temple Length: 140 MM
Size Guide: M
Geofit: Universal Fit

Michael Kors Packaging

Michael Kors Packaging

*The packaging image is for reference purposes only; actual packaging may differ.

Order placed Ordered 16 May
Order prepared Order Ready 20 May - 22nd May
Out for delivery Delivered 26 May - 29 May

Need Help?

Available: MON to FRI: 10:00AM - 05:00PM

Our Sleep Specialists are here for you.
View full details

As Seen On You

Real customers, real style

Designer Eyewear, Done Right.

Authorized UK retailer of Ray-Ban, Oakley, Gucci, Tom Ford, Persol, Saint Laurent and 25+ more. Every pair guaranteed authentic, dispatched from our Derby HQ with free UK delivery, 14-day returns and a 2-year warranty — prescription orders included.

100% Authentic. Direct from authorized brand partners.

Every Ray-Ban, Oakley, Tom Ford, Gucci and Persol you'll find here is sourced through our authorized partnerships — never resellers, never grey market. Each pair arrives in its original branded case with manufacturer documentation, ready to verify on the brand's official website.

Pair it with Carl Zeiss or Essilor prescription lenses, fitted in-house by qualified opticians — with anti-reflective, blue-light, photochromic or polarized upgrades to suit how you wear them.

Frames Picked For Your Face — Not Just Your Style

Not sure where to start? Our Shop by Face Shape collection groups frames by what genuinely flatters — round, oval, square, heart and oblong — so you're already shortlisted to what suits you.

Each frame is hand-curated by UK optical specialists who've fitted thousands of customers. Need help picking? Our face-shape guide walks you through it in under a minute — no email or signup required.