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Sneaker Sizing Guide

The adidas ZX Sizing Guide

June 1, 2023 10:14 AM
The adidas ZX Sizing Guide
Updated at
February 4, 2025

Are adidas ZX true to size? Even if you know your own shoe size, sometimes when you've bought a new pair of sneakers they unfortunately don't fit right. So we're going to take a look at the different adidas ZX silhouettes available and make sure we find the right size for you.

How to determine your own shoe size

First of all, it is important to determine your own shoe size. When you order sneakers online, it is not as easy as when you walk into a shoe shop and can try on the shoe on the spot.

Here is what you need to measure your own shoe size:

  • 2 sheets of A4 paper
  • A pencil
  • A ruler

How to calculate the dimensions of your foot:

Take a sheet of paper and the pencil, choose a wall you can stand upright against, and put your heel all the way up against it. It is best to put on the socks you will also wear in your new shoes. Secure the sheet of paper to the floor with tape or your weight and stand on it with your heel against the wall. It is best to ask someone to draw around your foot with the pencil. Once you have a nice outline, grab a ruler and measure the distance from the heel to the tip of your big toe. Record this result in centimetres.

Repeat this process on your other foot too. It may sound duplicate, but for many people, the sizes differ from one foot to another. Then take the largest foot as a reference to determine your shoe size using the appropriate table. Remember that information from different manufacturers may differ and therefore you should always follow their size charts.

The Sizing Guide for adidas ZX

adidas ZX 22 BOOST

The ZX 22 BOOST features a breathable mesh upper and a cushioned sole, providing exceptional comfort.

For this silhouette, it's noted that the model runs small. Therefore, please take into account that it has a tighter fit. We recommend ordering one size larger than your regular size.

adidas ZX 1K BOOST

The ZX 1K BOOST combines flexible and breathable ripstop with synthetic suede, and has a regular lace closure for a secure fit.

The sizing of the adidas ZX 1K BOOST runs small. Therefore, it is advised to go one size up for the ideal fit.

adidas ZX 2K BOOST

The ZX 2K BOOST is known for its incredible cushioning and features adidas' Boost technology with a durable rubber outsole.

The adidas ZX 2K BOOST has a fit that is generally perceived as true to size. Therefore, we recommend ordering your usual size.

adidas ZX 5K BOOST

The ZX 5K BOOST offers a new level of cushioning with the comfort of BOOST technology.

The adidas ZX 5K BOOST is true to size. You can simply stick to your own size for the right fit.

adidas ZX 420

A classic silhouette from the ZX series, the ZX 420 offers a retro design with modern features for comfort.

The adidas ZX 420 has a fit that runs small. Therefore, when ordering, we advise going half a size larger than your regular size.

adidas ZX 500


Originally released in the 1980s, the ZX 500 combines vintage aesthetics with modern materials for a timeless look.

The sizing of the adidas ZX 500 is true to size. Therefore, you can confidently order your own size!

adidas ZX 700

The ZX 700 is a versatile choice, offering a blend of classic design and modern comfort.

The adidas ZX 700 runs smaller. We recommend going one size up for the ideal fit.

adidas ZX 1000

The ZX 1000 features a design that pays homage to its predecessors, but incorporates modern materials for enhanced performance.

When ordering the adidas ZX 1000, we advise choosing one size larger. The sizing of this shoe runs small.

adidas ZX 4000

With a distinctive design, the ZX 4000 offers a unique look with a combination of materials and different colorways.

The adidas ZX 4000 has a normal fit. Since the sneaker is true to size, you can stick to your usual size when ordering.

adidas ZX 5020

The ZX 5020 offers a fresh and modern look, with futuristic design elements and sleek colorways.

Please note the tighter fit of the adidas ZX 5020. Therefore, choose one size larger when ordering.

adidas ZX 8000

The ZX 8000 combines innovative technology with a bold design, making it a favourite amongst the ZX series.

For the adidas ZX 8000, it's considered to have a normal fit, thus true to size. This means you can order the size you normally wear.

adidas ZX 9020

The ZX 9020 offers a modern take on the classic ZX design, featuring updated materials and a modern aesthetic.

The adidas ZX 9020 also has a normal fit. Therefore, you can simply stick to your own size.

adidas ZX 10000

Combining elements from previous ZX models, the ZX 10000 offers a fusion of classic design and modern technology.

The adidas ZX 10000 is true to size. We recommend ordering your usual size to ensure the ideal fit.

adidas ZX 620 SPZL

Part of the Spezial collection, the ZX 620 SPZL is a special silhouette made from premium materials and featuring unique design features.

The sizing of the adidas ZX 620 SPZL runs small. Our advice is to go one size larger than your own size.

adidas ZX Wavian

The ZX Wavian offers a unique design within the ZX series, with distinctive materials and colorways.

The adidas ZX Wavian has a normal fit. Therefore, we recommend ordering your usual size.

adidas ZX Fury

The ZX Fury is a fusion of adidas and Reebok’s signature designs, blending key elements from both brands' iconic sneakers into a distinctive hybrid style.

The ZX Fury also fits true to size. You can simply stick to your own size when ordering.

For more sizing guides for your favourite sneaker models, visit the Sneaker Sizing Guide page.

All the content is created according to our Editorial guidelines.

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