Running shoes Nike InfinityRN 4 - Top4Running.com。The product is a pair of Men\'s Nike FZ4019 100 ReactX Infinity Run 4 running shoes in white/green color. With a low top shaft style and a sleek sneaker design, these athletic shoes feature a synthetic upper material and a comfortable M width. The shoes are part of the React Infinity Run FK 4 product line from Nike, designed for men who are looking for both style and performance in their athletic footwear. Made in Vietnam, these shoes offer a combination of comfort and durability for runners and sneaker enthusiasts alike.