Air Jordan 4 RM SP Nigel Sylvester Grandma's DrivewayThe Pro Green upper features a velvety suede construction and a supportive TPU cage on the side panels. The front lace closure system houses thick, cotton laces in Pro Green that thread through the eyelets and the TPU cage. The upper sits on a two toned midsole with color blocked sections of black and Sail, as well as visible Air cushioning in the heel. As a "Special Project (SP)" sneaker, this version of the Jordan 4 was created in the Nike lab using