SIX INCH Footwear
Billy Mule | Beige
Effortless comfort, elevated style - the Billy Wide Fit Mule is your go-to for elevated everyday style.
fits wide, looks slim
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- Free Shipping over $200
- Cushioned Insoles
- Designed for Wide Feet
- 14 day returns
The heel you reach for without thinking. Billy is the wide fit block heel mule that works as hard as you do - from morning meetings to evening drinks, without ever asking you to compromise on comfort or style.
Six Inch women don't deal with discomfort. Billy makes sure of it.
Featuring a padded insole, modern flared heel, and double-strap silhouette for a secure and stylish fit. Available in classic Black and warm Beige. Designed specifically for wide feet using our signature wide-fit construction.
As a full-price style, Billy comes with our 14-day returns policy, plus one free exchange for Australian customers. Discount code orders are eligible for exchange or store credit only. Need to make a return? No worries — Start a Return. Free shipping Australia-wide on orders over $200, so Billy ships free.
Features
Materials
Shipping & Returns
Shipping
We offer free standard shipping on all Australian orders over $200. Orders under $200 are sent via Australia Post, with standard shipping ($14.95) or express is available at checkout. Free shipping applies to Australia only.
International shipping is available, please refer to our shipping policy here for more information.
Returns
SIX INCH Footwear offers a 14-day returns window from delivery. Items must be clean, unworn, and returned in original condition with box, dust bags, and proof of purchase. Return shipping is at the customer’s expense and original shipping fees aren’t refundable. Clearance items are eligible for exchange or store credit only. Final sale items cannot be returned, exchanged, or refunded. Discount code orders (including welcome discount, or promotional codes) are eligible for exchange or store credit only.
To start a return or exchange, visit our returns portal within 14 days of delivery.
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Size Guide
Size Guide
Made for your width.
At SIX INCH™ every style is built on custom molds for women with wider feet — sizes EU 36–44, graded to fit up to an E width.
Foot length sets your size
Measure your longest foot heel-to-toe and match it to the chart below.
Ball girth confirms the fit
Check your girth falls inside the range for that size — that's the wide-fit guarantee.
Find my size
| EU | UK | AUS / US | Foot length | Ball girth |
|---|---|---|---|---|
| 36 | 3 | 5 | 22.7 cm8.9" | 22.3-22.9 cm |
| 37 | 4 | 6 | 23.3 cm9.2" | 22.8-23.4 cm |
| 38 | 5 | 7 | 24.0 cm9.4" | 23.2-23.8 cm |
| 39 | 6 | 8 | 24.7 cm9.7" | 23.7-24.3 cm |
| 40 | 7 | 9 | 25.3 cm10.0" | 24.1-24.7 cm |
| 41 | 8 | 10 | 26.0 cm10.2" | 24.6-25.2 cm |
| 42 | 9 | 11 | 26.7 cm10.5" | 25.0-25.6 cm |
| 43 | 10 | 12 | 27.3 cm10.8" | 25.5-26.1 cm |
| 44 | 11 | 13 | 28.0 cm11.0" | 25.9-26.5 cm |
Swipe the table sideways to see all columns →
How to measure
Foot length
- Stand on a flat surface with your heel against a wall, on a piece of paper.
- Trace the outline of your foot with a pen held upright.
- Measure from the tip of your longest toe to your heel, in cm.
- Measure both feet and use the longer one to choose your size.
Ball girth
- Wrap a soft tape measure around the widest part of your foot, just below the toes.
- Keep the tape comfortably snug — not tight.
- Record the measurement in cm.
Fit tip
Use your foot length to find your size, then check your ball girth lands inside the range for that size — if it does, that pair will fit.
Between sizes? Choose the size where both your length and girth sit closest to the chart. Some styles run a touch large or small — check the note on each product page.
Questions on sizing? We're here to help — info@sixinch.com.au
Other brands include you. SIX INCH was made for you.
Frequently Asked Questions
Do you ship world wide?
We currently ship Australia wide, New Zealand, UK, USA & Canada. Shipping costs will be available at the checkout page.
How long will my order take to be delivered?
Australia: Express Shipping is usually 1-3 business day delivery in most metropolitan areas. However this can take 4-5 business days in regional areas*
New Zealand: Standard shipping can take anywhere from 8-12 business days to be delivered*
Express shipping can take 4-8 business days*
UK: Standard shipping can take 6-12 business days*
USA: Standard shipping can take 6-10 business days*
Please note the delivery dates are an estimate ONLY and CANNOT be guaranteed. The delivery days do not include dispatch times.
Delivery times do not include dispatch times.
When will my order be dispatched?
All orders are processed and packed within 24 hours of placement, excluding weekends and public holidays.
I ordered the wrong size, can I return or exchange my order?
We want to ensure that every SIX INCH™ customer is satisfied with their purchase. If you happen to order an incorrect size, please email info@sixinch.com.au within 14 days of receiving your order.
Can I return my order?
Please read our Returns policy located on the "Returns & Exchanges" page on our website. Conditions apply.
If you have any questions, please contact info@sixinch.com.au
loved by wide fit women
- JHJordyn H.Verified BuyerReviewingBilly Mule | Beige Beige / 40I recommend this productRated 5 out of 5 stars1 month ago5 Stars
Gorgeous shoe. Quick postage. Well designed, great colour, style is flattering and so comfortable! Wore them for over 12 hours at wedding recently and had absolutely no discomfort whatsoever straight out of the box for the entire day and night which is unheard of for me usually! Highly recommend. 💃
SIX INCH1 month agoThank you Jordyn! So happy to hear you love them and that they were comfortable.
- PNPoppy N.Verified BuyerReviewingBilly Mule | BeigeI recommend this productRated 5 out of 5 stars2 months ago5 Stars
perfect colour
- MWMila W.Verified BuyerReviewingBilly Mule | BeigeI recommend this productRated 5 out of 5 stars3 months agoHappy customer
Such a lovely surprise when they arrived.
- GFGeorgia F.Verified BuyerReviewingBilly Mule | BeigeI recommend this productRated 5 out of 5 stars4 months agoHappy customer
I honestly wish I'd found this brand sooner.
- NKNiamh K.Verified BuyerReviewingBilly Mule | BeigeI recommend this productRated 5 out of 5 stars4 months agoHappy customer
My feet usually complain, these didn't.
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