These Clarks Stayso Free ladies black leather mules sandals in UK size 4 D (EUR 37) are a stylish and comfortable choice for casual occasions during the summer and spring seasons. The slip-on design with a closed toe and flat style make them easy to wear and perfect for everyday use. Made from high-quality leather with a rubber outsole, these mules offer both durability and a fashionable look. The D width ensures a comfortable fit, while the Clarks brand ensures quality and reliability in women's footwear.