Why should I use a Nike-specific size guide instead of my usual shoe size?

We find Nike models can vary from other brands and between styles, so using a Nike-specific guide reduces guesswork by matching your measured foot length and width to Nike’s charts and model-specific notes.

How do I measure my feet at home to pick the right Nike sneaker size?

We recommend standing in the socks you’ll wear, tracing each foot with your heel against a wall, measuring heel-to-longest-toe and forefoot width in millimetres or centimetres, and using the larger foot measurement to choose a size.

If I’m between sizes, should I size up or down for Nike running and casual sneakers?

For performance running we usually advise sizing up half a size for toe room during activity, while for casual or lifestyle Nike styles we typically select the size that matches foot length unless width is an issue.

What should I check when trying Nike sneakers in-store or at a Bash click-and-collect?

We suggest lacing the shoe as you would wear it, standing and walking for at least a minute, ensuring roughly a thumb-width at the longest toe and a secure heel, and testing movement like a squat or light jog if you’ll use them for sport.

How can I reduce sizing uncertainty when buying Nike sneakers online on Bash?

We advise using your measured foot length with the product’s centimetre size chart, reading product fit notes and recent customer reviews for run-small/run-large guidance, and choosing the size matching your larger foot while checking Bash’s returns and exchange options.

Nike sneaker size guide for women: measure, fit and choose with confidence

Practical Nike women's sneaker sizing: how to measure feet, translate measurements to Nike sizes, and pick the right fit for running or lifestyle shoes.

Published:July 11, 2026

Updated:September 2, 2026

5 min read

Photo by Oguz Kagan Cevik on Pexels

Measure both feet

Use heel-to-toe length and forefoot width; pick the larger foot when sizing.

Sources

NHS - How to measure your foot
International Organization for Standardization - shoe sizing standards overview
South African Bureau of Standards (SABS)
Nike sneakers on Bash

Why a dedicated Nike sneaker size guide helps

Sneaker sizing can feel inconsistent between brands and even between different Nike models. We wrote this guide to give practical, repeatable steps you can follow at home or in the store - including how to measure your foot, how Nike sizing tends to run, and small adjustments for common fit issues. Our aim is to help you buy with less guesswork and fewer returns.

What to measure and why

There are two measurements that matter most: foot length (heel to longest toe) and foot width (across the widest part of the forefoot). Length tells you the base size; width and volume tell you whether a particular Nike style will feel snug, roomy, or just right. We always measure both feet - most people have slight differences - and use the larger measurement to pick a size.

A simple at-home measuring routine

Follow this routine standing, in the socks you plan to wear with the sneaker.

Place a sheet of paper on a hard floor and stand with your heel lightly against a wall.
Trace the outline of your foot with the pen held vertically. Repeat for the other foot.
Measure heel-to-longest-toe in millimetres or centimetres; round up to the nearest 3 mm to allow for movement.
Measure the widest part of the forefoot across the ball of the foot for width guidance.

How we translate measurements to Nike sizes

Nike publishes size charts that map foot length to a size number, but fit can vary by model (for example, slim-running silhouettes vs chunkier lifestyle sneakers). As a practical rule we use measured foot length as our primary input, then adjust up or down depending on shoe type and personal preference:

Performance running: if you’re between sizes, we often recommend sizing up half a size for toe room during activity.
Casual/lifestyle sneakers: many people prefer a snug but not tight fit; we typically choose the size matching foot length with no extra upsize unless width is a problem.
Wider feet: consider moving up half or full size, or choosing Nike models known for a wider last.

Because sizing advice depends on context, we link to related product pages so you can check what’s available for each style. See our Nike women’s sneaker selection in the Sneakers category for current options: Sneakers.

Quick in-store checks that save returns

When trying a Nike sneaker in a shop or at a Bash click-and-collect point, follow this short checklist:

Stand and walk for at least a minute - lace the shoe how you would normally wear it.
Check there is thumb-width space at the longest toe when standing.
Make sure the heel is secure (no excessive slipping) but not painfully pinched.
Assess comfort through a range of movement - squat, pivot, or jog slowly if you’re buying for sport.

Note: sizing labels (US, UK, EU) sometimes differ between regions. We recommend relying on measured foot length rather than a remembered size from a different brand or era.

How to choose between half sizes, wide options and fit assistants

If you’re between sizes or unsure about width, these practical rules help us decide: choose a half size up for more room; look for styles described as 'wide' or check product notes for 'roomier toe box'. When shopping on Bash, read the product fit notes and check customer reviews in the Sneakers articles to see how other buyers describe the fit: Sneakers articles.

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Online shopping: how we minimise fit uncertainty

Buying Nike sneakers online is convenient but introduces sizing risk. We recommend these steps to reduce returns:

Use your measured foot length and consult the product’s size chart (measurements in centimetres are the most reliable).
Check the product description for notes about whether the model runs small or large.
Read at least a few recent customer reviews focused on size and fit - they often mention if people needed to size up or down.
When in doubt, choose the size that matches your larger foot and keep an eye on returns policy and exchange options.

Common fit issues and easy fixes

Here are problems we see often - and how we adjust:

Tight across the toes: try half a size up or a model with a higher-volume toe box.
Heel slipping: tighten laces, use an insole to raise the foot slightly, or try a snugger size.
Too much volume: thin insoles or thicker socks can help; otherwise try half a size down if length allows.

A short checklist before you place the order

We use this checklist to be confident in an online purchase:

Confirmed foot length and corresponding Nike size from the chart.
Reviewed model fit notes and at least three customer reviews mentioning sizing.
Checked return/exchange window and delivery options on the Bash product page.

If you still can’t decide

We suggest ordering two sizes when the price and return policy make it practical - try both at home and return the pair that doesn’t work. When you prefer in-person help, local Bash pick-up and store options make it easier to try before you commit.

We hope this Nike sneaker size guide helps you feel confident when measuring, choosing, and ordering. If you want hands-on tips for selecting shoes for specific activities, see our more detailed advice in How we choose cross-training shoes for women: practical, South African-focused advice for related considerations: How we choose cross-training shoes for women: practical, South African-focused advice.

Ready to explore styles that match your measurement? Browse our Nike selection in Sneakers to compare models and read fit notes before you buy. Sneakers

Last updated: September 2, 2026

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Nike sneaker size guide for women: measure, fit and choose with confidence

Measure both feet

Sources

Why Choose Bash?

Free Delivery

30-Day Returns

Nationwide Support

Why Choose Bash?

Free Delivery

30-Day Returns

Nationwide Support

Adjust by style

Reduce online risk

Why a dedicated Nike sneaker size guide helps

What to measure and why

A simple at-home measuring routine

How we translate measurements to Nike sizes

Quick in-store checks that save returns

How to choose between half sizes, wide options and fit assistants

Online shopping: how we minimise fit uncertainty

Common fit issues and easy fixes

A short checklist before you place the order

If you still can’t decide

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