Ankle boots with zippers Size is 43. It is estimated to be 27.5-28.0cm. For reference, I measured the insole. The person who used them was a male who wears 27-27.5cm. He used them with an added insole. [Insole size] Length 28.0cm Width 9.0cm The material appears to be synthetic leather. They seem soft, light, and easy to wear. The outsole is rubber with anti-slip features.