Nike Air Max 90 EOI Evolution Of an Icon is a colorful sneaker designed for unisex kids. It features a low-top shoe shaft style with a lace-up closure. The upper material is made of leather, and the shoe has a standard width. The Nike Air Max 90 is suitable for various activities such as weightlifting, cycling, running & jogging, and cross-training. It is available in US shoe size 5.5, which is equivalent to women's size 7.