The Birkenstock Boston Big Buckle Clog in women's size 40 (US 9) features a low top design with a solid stone coin color. This comfortable clog style shoe with a round toe and flat heel is perfect for casual occasions during the summer, fall, and spring seasons. The buckle closure and leather upper material add a stylish touch to this classic Birkenstock model, making it a versatile and practical choice for everyday wear.