Each pair includes two removable insoles: choose between 3 mm and 8 mm according to your preferences.
To choose your correct size, the first thing you should do is check the guide according to the insole you plan to use.
3 mm insole: Comes as an extra inside the box. It doesn’t take up much space in the shoe, so the fit is more spacious or loose (depending on your foot width) compared to the 8 mm insole. Ideal if you’re looking for a more barefoot feel.
8 mm insole: Comes already placed inside the shoe. It takes up more space, which can make the size feel more close-fitting. Choose it if you’re transitioning to barefoot or prefer more cushioning.