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21 Calf Widths

The widest choice available, ranging from 30cm - 50cm.

> How to measure your calf
> Shop calf fitting boots
Request a free tape measure

Please send us your address and we'll send you a tape measure in the post.

3 Ankle cuts

Choose from our 3 ankle cuts to suit your shape and look.


Our standard cut for a fitted look. Available in up to 21 calf sizes.

Standard ankle >


Tailored for a narrower ankle fit. Available in up to 21 calf sizes.

Slim ankle >


Tailored for a wider ankle fit. Available in up to 21 calf sizes.

Straight ankle >

3 Boot heights

We offer 3 main boot heights, with a range of styles in each to suit tall, petite and standard builds.

How to measure boot height >

9 Shoe sizes

Made in European sizes EU 35-43.
Use our conversion chart to check your UK, US and Australian size.

> See conversion chart

3 Heel Heights

From flats to feature heel shapes and dramatic stilettos, choose from our 3 heel heights.

4 Toe Shapes

Select from our 4 toe shapes to complete your perfect look.


The measuring guide:

  • Sit down and place your feet flat on the floor in front of you.
  • Take a tape measure and wrap it around the widest part of your calf, taking care not to leave a gap.
  • Measure to the nearest 1cm.

Extra tips for a perfect fit:

  • Our boots are available in odd or even cm widths. If you find that you’re between measurements, we recommend that you opt for the smaller of the two to ensure a snug fit – our luscious, natural leathers will give over time.
  • It’s worth measuring both calves and, if you find there’s is a small difference between legs (there often is), use the wider measurement when placing your order.
  • Think about which style will fit your foot shape best – boots and shoes with pointed or almond-shaped toes are usually narrower at the front, and round and square styles have more room in the toes.
  • SUEDE BOOTS: Our soft suede gives a lot more than other leathers, so it’s a good idea to round down to the nearest cm if you’re between calf sizes.

Boot height

Unless specified in the product description, boot height is the distance in a straight line between the bottom of your heel to the top of your boot.

To make sure the height of your boots is perfect for you…

  • Check the boot height of your chosen style – you’ll need to enter your size details, as the boot heights do vary with size.
  • Sit on a seat with your knee at 90 ̊and your feet flat on the floor.
  • Place the end of a tape measure touching the floor behind the bottom of your heel.
  • Measure straight up the back of your leg to the given boot height measurement. This will give you the approximate place that the boot will sit on your leg (the boot should not sit right in the crease of the knee – this is uncomfortable when the knee is bent).

Size conversion chart

DuoBoots footwear is made in European sizes in Portugal. Unsure of your European shoe size? We’ve created a useful size conversion chart to help you choose your perfect size.

Continental UK USA Australia
35 2 5 4.5
36 3 6 5.5
37 4 6.5 6.5
38 5 7.5 7.5
39 6 8 8.5
40 7 9 9.5
41 8 10 10.5
42 9 11 11.5
43 10 12 12.5


In calf widths of 30-41cm our boots come in a C foot fitting (standard width). In calf widths 42-50cm we manufacture the boots with a slightly wider shoe fitting. There are certain styles and shapes that are better suited to a slightly wider/narrower foot, so please consult us if you have a particular style in mind. If you need further advice, give us a call or email us and we will be happy to advise on styles that might suit your foot.

The size of the ankle on many of our boots changes with the size of the calf and the foot, and the style of the boot. In most cases we can get the right fit for you first time. However, if your experience is that your ankles are particularly large or slim compared to your calves, please refer to the Fit Notes provided on each product page to get a better idea of the fit of each of our styles. If you need further assistance, give us a call or email us. We will be happy to advise on styles that might suit your ankles.

  • Narrow heels (such as stiletto) - when buying a pair of boots or shoes with a narrow heel, the pressure exerted on the heel is significant and the heavier the wear, the quicker the rubber ‘heel tip’ will wear out. If you plan to wear narrow heeled boots/shoes over extended periods of time, be aware that you will need to replace the heel tips regularly and before the tips wear completely. Replacing the heel tips with a metal tip would make your boots more hard-wearing.
  • Pointed styles - these boots or shoes can wear more quickly at the toe-piece. The tips should be replaced when they begin to look worn.
  • Ankles - expect your boots to crease around the ankle over time. There needs to be space between your ankle and the boot to allow for freedom of movement. If they were made too tight in this area they would not be wearable.
  • If you are buying online - it is very easy, just select your shoe size and calf/foot width from the homepage here or the boots page here and hit search. The website will show you everything that is in stock in your size at that moment. If you have any questions we’re here to help so please email us or give us a call.