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Sharp enough to turn heads. Comfortable enough to wear all day. That's not a compromise — that's the point.
Finding a flat that looks this good and feels this good used to mean choosing one or the other. The Opium changes that. Genuine leather, a structured square toe, and bold hardware detailing that makes them look like they cost three times what you paid — paired with a cushioned footbed and flexible sole that make you forget you're on your feet.
Wear them at 9am. Still wearing them at 9pm. That's the Opium promise.
What makes the Opium worth it:
Genuine leather upper. Not faux, not synthetic. Real leather that shapes to your foot over time, gets more beautiful with wear, and tells the difference between a shoe built to last and one built to photograph well.
The structured square toe. Modern, deliberate, and effortlessly chic. The silhouette that fashion has been reaching back to because it simply works — elongating the leg, grounding the outfit, making everything you wear with it look more considered.
Bold hardware detail. That one piece of hardware that does more work than most accessories. It makes the Opium unmistakably intentional — the shoe in the room that people notice and ask about.
Cushioned footbed + flexible sole. Because elegance shouldn't cost you your comfort. The Opium moves with you — not against you — from morning errands to evening plans without a single thought about your feet.
Genuine leather. Lasting comfort. The kind of flat you buy once and wear for years.
| US Size | EU Size | Foot Length (in) |
|---|---|---|
| 3 | 34 | 8.66 |
| 4 | 35 | 8.86 |
| 5 | 36 | 9.06 |
| 6 | 37 | 9.25 |
| 7 | 38 | 9.45 |
| 8 | 39 | 9.65 |
| 9 | 40 | 9.84 |
| 10 | 41 | 10.04 |
| 11 | 42 | 10.43 |
| 12 | 43/44 | 10.51 |
If our product does not meet your expectations, you can return it within 30 days upon receipt.
Before returning the goods, please contact our customer service at info@marygracelondon.com and let us know the reason for the return so we can process your request correctly.
We are offering free shipping within the United Kingdom for all orders.
We ship our packages with a Track & Trace code so you can always monitor your order.
You will receive the Track & Trace code via email within 1-24 hours after placing your order.
Mary Grace London has over 27000+ satisfied customers and our customers give us a rating of 4.7/5.0.
