Size Guide
SHOES
| Size | ASIA / EU | US | UK / IN | JP / MX | KR / CN | Length of Foot (CM) |
|---|---|---|---|---|---|---|
| S | 34 | 4 | 1 | 22 | 220 | 21.7 |
| 35 | 5 | 2 | 22.5 | 225 | 22.3 | |
| M | 36 | 6 | 3 | 23 | 230 | 23 |
| 37 | 7 | 4 | 23.5 | 235 | 23.7 | |
| L | 38 | 8 | 5 | 24.5 | 245 | 24.3 |
| 39 | 9 | 6 | 25 | 250 | 25 | |
| XL | 40 | 10 | 7 | 25.5 | 255 | 25.7 |
| 41 | 11 | 8 | 26 | 260 | 26.3 | |
| 2XL | 42 | 12 | 9 | 27 | 270 | 26.9 |
| 43 | 13 | 10 | 27.5 | 275 | 27.5 |
- CHARLES & KEITH uses Asian/European size for its footwear collection.
- If both sides of your feet are different in length, we recommend you select a shoe size based on the longer side.
- The current recommended size chart does not include half size recommendations. We suggest you select the shoe size based on the length closest to your feet measurement.
- Please note, foot length is not equivalent to shoe length.
- Shoe comfort is dependent on a combination of factors such as size, design/cutting and heel height. For example, shoes that are of the same size, but are different in design/cutting, may not give you the same level of comfort.
- These are recommended guidelines to get you the best possible fit for CHARLES & KEITH footwear collections only.
BELTS
| TYPE | SIZE | WAIST |
|---|---|---|
| HIGH WAIST | S | 65cm/25.63" |
| M | 75cm/29.5" | |
| L | 85cm/33.5" | |
| MID WAIST | S | 70cm/27.5" |
| M | 80cm/31.5" | |
| L | 90cm/35.38" | |
| LOW WAIST | S | 80cm/31.5" |
| M | 90cm/33.38" | |
| L | 100cm/39.38" |
- This size chart is based on the belt type and can vary when worn at a higher or lower level.
- The size of a belt indicates the measurement from the buckle prong (or other methods of closure) to the middle hole of the belt.
- These are the recommended guidelines to get you the best possible fit for CHARLES & KEITH belt collections only.
Double-Strap Mary Jane Flats - Black
(Includes Duties & Taxes)
Editor's Note
These Mary Jane flats are understated but far from boring. Featuring two buckled straps instead of just one, they offer an extra-secure fit. Their smooth black finish has a timeless appeal and makes them versatile enough to match well with virtually any look.
Product Details & Care Instructions
Looking after your CHARLES & KEITH products will help you get the most out of them. Visit our Product Care page for more information.
Promotions
Get 10% off* when you subscribe to our newsletter. *Product exclusions apply.
Enjoy Free Standard Delivery on All Orders Above 600 zł
Shipping & Returns
Items from our collaborative collections are not eligible for return or exchange.
Valentine's Day Delivery Cut-Off Dates:
Order by 26 Jan to receive it in time for Valentine's Day (13 Feb).
Due to the closure of our warehouse during the Lunar New Year festivities, please expect a delay of up to 7 working days for orders placed after 12 February 2026.
Standard Delivery: 4 - 8 working days
For customers located in EU countries, sales tax will be calculated and displayed at checkout. Learn More
Find out more about our Returns & Exchanges
Size & Fit
Most users find this product runs True To Size with a Standard width.
Size:
- Small
- True To Size
- Large
Width:
- Narrow
- Standard
- Wide
Style Inspiration
Editor's Note
These Mary Jane flats are understated but far from boring. Featuring two buckled straps instead of just one, they offer an extra-secure fit. Their smooth black finish has a timeless appeal and makes them versatile enough to match well with virtually any look.
Product Details & Care Instructions
Looking after your CHARLES & KEITH products will help you get the most out of them. Visit our Product Care page for more information.
Promotions
Get 10% off* when you subscribe to our newsletter. *Product exclusions apply.
Enjoy Free Standard Delivery on All Orders Above 600 zł
Shipping & Returns
Items from our collaborative collections are not eligible for return or exchange.
Valentine's Day Delivery Cut-Off Dates:
Order by 26 Jan to receive it in time for Valentine's Day (13 Feb).
Due to the closure of our warehouse during the Lunar New Year festivities, please expect a delay of up to 7 working days for orders placed after 12 February 2026.
Standard Delivery: 4 - 8 working days
For customers located in EU countries, sales tax will be calculated and displayed at checkout. Learn More
Find out more about our Returns & Exchanges
Size & Fit
Most users find this product runs True To Size with a Standard width.
Size:
- Small
- True To Size
- Large
Width:
- Narrow
- Standard
- Wide