The AJ 4 GS “Cool Grey” by is a popular choice for sneaker enthusiasts who want a classic and stylish pair of sneakers that will stand the test of time. The cool grey nubuck leather upper gives these sneakers a sleek and modern look, while the chrome accents add a touch of contrast and visual interest. The AJ 4 GS design features a unique lace-lock system, which helps to secure the shoe on the foot and adds a distinctive detail to the design. The mid-top cut provides additional ankle support and a comfortable fit, making these sneakers a great option for everyday wear.