These black Birkenstock Salina slide sandals are a great addition to any woman's shoe collection. They are made with synthetic upper material and have a slip-on closure. The sandals come in size 4 UK, 6 US, 37 EU, and 6 AU. The sandals are flat with a comfortable sole, making them perfect for everyday wear. The Birkenstock Salina model is designed for comfort and style, with a solid pattern and a sleek slide design. These pre-owned sandals are in great condition and ready to be worn.