The unique ballerinas with an open heel and a pointed toe are made of eco leather. They have a binding that allows for proper adjustment to the leg's width. The soft, eco-leather insole will ensure comfort during use. The ballerinas have a flat heel and a non-slip rubber sole. A great model for warmer days! When choosing a size, please refer to the size chart.36-23/37-23,5/38-24/39-24,5/40-25/41-25,5cm