The BIRKENSTOCK Madrid Big Buckle Slide Sandal in High Shine Black is a stylish and comfortable choice for women in US size 7 (EU size 39). Made with leather, this slide features a buckle closure and a narrow width for a secure fit. The high shine black color adds a touch of sophistication to this classic Birkenstock model, making it a versatile option for any outfit. Perfect for casual wear, these sandals offer both style and comfort for all-day wear.