| Size | Inner length (cm) | Inner width (cm) | Recommended foot length (cm) |
|---|---|---|---|
| 40 | 26 | 9,3 | 25-25,6 |
| 41 | 26,6 | 9,5 | 25,6-26,1 |
| 42 | 27,4 | 9,6 | 26,2-26,9 |
| 43 | 28,2 | 9,8 | 27-27,7 |
| 44 | 28,8 | 10 | 27,8-28,3 |
| 45 | 29,4 | 10,1 | 28,4-28,9 |
| 46 | 30,4 | 10,3 | 29-29,9 |
| Size | Inner length (cm) | Inner width (cm) | Recommended foot length (cm) |
|---|---|---|---|
| 36 | 23,4 | 8,7 | 22,4-22,9 |
| 37 | 24 | 8,8 | 23-23,5 |
| 38 | 24,6 | 9 | 23,6-24,1 |
| 39 | 25,4 | 9,2 | 24,2-24,9 |
| 40 | 26 | 9,3 | 25-25,5 |
| 41 | 26,6 | 9,5 | 25,6-26,1 |
| 42 | 27,4 | 9,7 | 26,2-26,9 |
| Size | Inner length (cm) | Inner width (cm) | Recommended foot length (cm) |
|---|---|---|---|
| 19 | 12 | 5,3 | 11-11,5 |
| 20 | 12,8 | 5,5 | 11,6-12,3 |
| 21 | 13,4 | 5,7 | 12,4-12,9 |
| 22 | 14,2 | 5,9 | 13-13,7 |
| 23 | 14,8 | 6,1 | 13,8-14,3 |
| 24 | 15,6 | 6,2 | 14,4-15,1 |
| 25 | 16,2 | 6,4 | 15,2-15,7 |
| 26 | 16,8 | 6,5 | 15,8-16,3 |
| Size | Inner length (cm) | Inner width (cm) | Recommended foot length (cm) |
|---|---|---|---|
| 27 | 17,5 | 6,9 | 16,3-16,7 |
| 28 | 18,3 | 7 | 16,8-17,5 |
| 29 | 19 | 7,2 | 17,6-18,2 |
| 30 | 19,7 | 7,4 | 18,3-18,9 |
| 31 | 20,5 | 7,6 | 19-19,7 |
| 32 | 21 | 7,7 | 19,8-20,2 |
| 33 | 21,7 | 7,8 | 20,3-20,9 |
| 34 | 22,5 | 8 | 21-21,7 |
If you think it doesn't make sense for your shoes to be shaped like your feet... we're in trouble.
Putting your foot into a narrow shoe will achieve what Bruce Lee said: "Put water in a cup and it becomes a cup."
And you don't want your foot to be constricted and painful...
You want the opposite: free, pain-free, and happy!
That's why the shape of the Mustang Free Knitting shoes makes so much sense.
The most comfortable foot-shaped barefoot sneaker you’ll ever wear
This may sound strange, but think about it for a second…
Wouldn’t it make perfect sense for your sneakers to have the shape of a foot?
It’s as logical as a motorcycle helmet being shaped like your head.
That’s why helmets are round and not pointy.
So if your feet are wider at the front, why do you keep squeezing them into pointy shoes?
If this simple question doesn’t make sense to you, the footwear you wear every day is probably behind many problems: chafing, overlapping or clawed toes, plantar fasciitis…
So you have two options:
- Keep putting up with a narrow toe box and suffer in silence.
- Or free your feet and put a smile on your face.
Because let’s be honest: if your feet hurt as soon as you leave home, the day already starts off wrong.
And all you want is for it to end as soon as possible.

Why the Mustang Free Knitting make so much sense
- Wide toe box. So your toes stay in their natural position and aren’t squeezed.
- Zero drop. So nothing alters your posture during the day and unnecessary tension in your back and joints is released.
- Total flexibility. Your feet are in control of your movement. The shoe just follows.
- Soft, highly breathable knit fabric. Like wearing a glove. An incredible feeling.
Once you experience that feeling, you don’t want to go back.
You walk more.
You move better.
And your body starts working together like a well-trained team.
That’s real performance.
Not that “paperweight” you wear every day and can’t wait to take off when you get home.
With the Mustang Free Knitting, you’re so comfortable that if you’re not careful, you’ll end up going to bed with them on.

Mustang Free Knitting Sport technical features
- 5 mm sole: thin enough to feel the ground, with enough protection for any workout.
- 4 mm insole: removable, lightweight, designed to add comfort without losing the barefoot feel.
- Multidirectional grip sole: solid traction for functional training, gym or street use.
- 100% vegan: certified by INESCOP.
- Use: training, walking, gym, jogging, everyday life.
My size in Mustang Free Knitting Sport
To get your size right, it’s best to measure your foot and click on the “Check your size here” link you’ll find below the size selector.
If you’re between two sizes, choose the larger one for a more relaxed, natural fit.
Your toes need room to move and spread.
And if you don’t get it right the first time, no problem: you can easily change the size.
The process is quick and free if you activate the size-change insurance for €1.99 (valid for mainland Spain).
If you want to learn more about barefoot sizing, you can check this link.
Care and maintenance of the Mustang Free Knitting
Clean them with a damp cloth to remove everyday dirt.
After training, remove dust or mud to keep the knit fabric in good condition and extend its lifespan.
If you need to wash them, use cold water and let them air dry, avoiding direct sunlight to protect the fabric and sole.
You can see recommended products for barefoot footwear care here.
Data sheet
- Stack Height WITHOUT insole
- 5mm
- Drop
- 0 mm
- Weight
- 160
- Use
- Diario/Casual
- Vegan
- Yes
- Water-resistant?
- No
Specific References
- EAN13
- 8447523041318