Women's Size Guide
- Our sneakers run true to size
- If your shoe size varies (for example, sometimes you're an 8, sometimes you're an 8.5) we recommend sizing up
USA Women |
UK | EU | BR |
Foot Length (cm.) |
---|---|---|---|---|
5 | 2.5 | 35 | 33 | 22 |
5.5 | 3 | 36 | 34 | 22.5 |
6 | 3.5 | 36.5 | 34.5 | 22.9 |
6.5 | 4 | 37 | 35 | 23.3 |
7 | 4.5 | 38 | 36 | 23.8 |
7.5 | 5 | 38.5 | 36.5 | 24.2 |
8 | 5.5 | 39 | 37 | 24.6 |
8.5 | 6 | 39.5 | 37.5 | 25 |
9 | 6.5 | 40 | 38 | 25.4 |
9.5 | 7 | 40.5 | 38.5 | 25.6 |
10 | 7.5 | 41 | 39 | 25.9 |
10.5 | 8 | 41.5 | 39.5 | 26.3 |
11 | 8.5 | 42 | 40 | 26.7 |
11.5 | 9 | 43 | 41 | 27.1 |
12 | 9.5 | 43.5 | 41.5 | 27.6 |
12.5 | 10 | 44 | 42 | 28.0 |
13 | 10.5 | 45 | 43 | 28.4 |
Made from the earth. Lighter than air.
You asked for a greener sneaker, we listened.
This time we knit our sneakers from bamboo & recycled plastics from heel to toe. IBI is high performance, low-impact and ultra lightweight. Wearing IBI, you’ll be lighter on your feet and leave behind a smaller footprint.
- Upper & Lining: Perfect-fit Bamboo Knit (bamboo and recycled PET)
- Insole: Removable lightweight memory foam + cork + Mamona oil (& a secret message)
- Outsole: Green EVA made from sugarcane
- Laces: Made with recycled plastics


The DNA of IBI
This is what happens when your sneakers go vegan.



Our Sustainability Evolution


Our Sustainability Evolution
-
Carbon Neutral Co.
Our goal was to get our carbon footprint to zero impact. We've arrived.
-
Dual-Purpose Packaging
We've gone minimalist. Now our sneakers are delivered to your door in one box, which acts as both packaging and your shoe box.
-
Partnership with Soles4Soles
We donate our lightly-used sneakers to Soles4Souls - a nonprofit organization that provides footwear to underserved communities.

You made it to the bottom of the page!
Very impressive. If you're still in the mood to read about our company-wide sustainability initiatives, we've got you covered.