Sizing is the number one reason people hesitate to buy Western boots online - and with good reason. A Western boot fits differently from any other footwear, and getting it wrong means a frustrating return. This guide covers how to measure correctly, how to read a boot size chart in Australia, what a proper fit actually feels like, and how the main brands run.

Key Takeaways

Western boots need three measurements, not one: foot length, foot width (B/D/EE), and — for tall shafts — calf circumference. Measure your foot in the evening when it's largest.
Boots are sized in US, not AU. Australian sizes run about one full size larger than US for men and roughly half a size larger for women — always check the conversion chart.
A correct fit feels snug at the instep, and a small amount of heel slip (about ¼ inch) is normal on a new boot. Fit is judged at the ball of the foot, not the long toe box.
For wide feet, size up in width before length — Ariat offers EE across many styles. Going longer to fix width creates instep and heel problems.
Brands run differently: Ariat tends half a size large, Pure Western is true to size with a roomier toe, and Thomas Cook runs true but narrow (size up if between measurements).

How to Size Western Boots: The Australian Fit Guide

September 18, 2026 · Allingtons

How to Measure Your Foot for Western Boots

Unlike casual footwear, a Western boot requires three measurements to get right: foot length, foot width, and - for taller shaft styles - calf circumference.

Foot length: Trace your foot on paper at the end of the day. Feet swell throughout the day and are largest in the evening, so measuring then gives you the most accurate result. Measure from the heel to the longest toe in centimetres, then use the conversion table below.
Foot width: Measure across the ball of the foot at its widest point. Western boots use letter width designations - B (narrow), D (standard/regular), and EE (wide). Getting width right matters as much as length, and many online buyers overlook it entirely.
Calf circumference: If you're buying a taller shaft boot, measure the widest point of your calf. Most standard Western boots are cut for a calf circumference of around 38-40 cm. Wide-calf options exist but aren't available across every style.

Western Boot Sizing: The Australian Conversion

Most Western boots, including every major brand available in Australia, are sized in US measurements, not Australian. This is the most common source of confusion when buying online.

As a general rule, Australian shoe sizes run about one full size larger than US sizes for men, and around half a size larger for women.

AU Men's	US Men's	AU Women's	US Women's
7	6	5	4.5
8	7	6	5.5
9	8	7	6.5
10	9	8	7.5
11	10	9	8.5
12	11	10	9.5
13	12	11	10.5

Always verify against the specific brand's size guide where available - brands vary, and brand-specific notes are covered below.

What a Proper Western Boot Fit Actually Feels Like

Knowing what a correct fit feels like prevents you from returning a boot that's actually right for you.

The snug instep is the key indicator. The instep (the top of the foot just in front of the ankle) should feel firm and close when the boot is new. If you can slide two fingers underneath the instep easily, the boot is too large. It shouldn't feel painful, but it should feel close.

Heel slip is normal. A small amount of upward heel movement when walking - around a quarter inch - is expected in a new Western boot and reduces as the sole flexes and the boot breaks in. This is not a sign that the boot is too big. More than half an inch of slip suggests the instep fit is genuinely too loose.

The toe box is longer than the foot itself - don't use the tip as a fit reference! The fit test is at the ball of the foot, not the toe.

For a full picture of what to expect through the first weeks of wear and how to handle a stiff shaft, this guide on breaking in cowboy boots covers the process in detail.

Wide-Fit Western Boots

Beyond standard Western boot sizing, there are a few things worth noting. Wide feet are a genuine challenge in the Western boot market, but the options have improved. Most quality brands now offer at least one width beyond standard - Ariat, in particular, offers EE across a meaningful range of styles.

If standard D width feels tight across the ball of the foot but the length is right, try a wider designation before going up in size. Going up in length to compensate for width creates problems at the instep and heel that are harder to fix.

If you wear larger than a US 13, availability narrows considerably in the Australian market. Ariat extends to US 14 and 15 in select styles, though not every style carries through to those sizes at every retailer.

Pure Western and Thomas Cook generally cap at US 13. If you're buying in an extended size, checking current in-store stock directly is worth doing before committing to an online order.

Kids' and Junior Western Boot Sizing

Children's Western boot sizing follows different conventions from adult sizing. Junior sizes, typically J1 through J6, bridge the gap between children's and adult sizing, and most major brands carry both.

Measure the child's foot and allow around a centimetre of growing room, but no more. Excess length in a Western boot affects how the heel sits in the stirrup, which matters for any child riding regularly.

For a broader overview of the Western boots market, the sizes, styles, and brands covered, take a look at our complete guide to Western boots in Australia.

Brand-by-Brand Fit Notes

We must also mention that Western boot sizing varies meaningfully between brands, and understanding how each one runs can save a return.

Ariat generally runs half a size large - many buyers find themselves going half a size down from their usual Western boot size. The instep is cut slightly lower than traditional Western construction, which can make the snug instep fit feel more pronounced on first wear. Ariat's width range (D and EE across most styles) is broader than most competitors and makes them a strong option for wider feet.

Pure Western runs true to size across most styles, with a slightly roomier toe box than Ariat.

Thomas Cook runs close to true size with a narrower overall profile. If you're between two measurements, sizing up is the safer call.

For a full comparison of how each brand performs beyond sizing, including quality, style, and which suits different riders and uses, our guide to Western boot brands in Australia covers the complete picture.

Find Your Size at Allingtons Outpost

At Allingtons Outpost in Parafield, South Australia, we carry Western boots across men's, women's, and kids' sizing for all major brands. Browse the full Western boots and Western work boots ranges, or go straight to the brand you're sizing for: