The product is the Adidas Ultraboost 21 sneaker in a women's size 5.5. Featuring a sleek design in core black colorway, this athletic shoe is part of the Adidas UltraBoost product line. Made with Primeknit+ upper material, this 2021 release is designed for running and sports activities. The style code for this model is FY0402, and it is a stylish and comfortable option for women looking for a high-quality athletic shoe from Adidas.