The product is a size 7.5 men's Nike sacai x LDWaffle in black nylon. This athletic sneaker features a unique design combining elements from both the Nike LDWaffle and sacai models, with a sleek black color and nylon upper material. Released in 2020, this shoe is part of the Nike LDWaffle product line and offers a stylish and comfortable option for men looking to make a statement with their footwear.