The Nike Shox Gravity introduces fun to the primarily monotone shoe with a playful splash of color. Designed with a sleek black upper, contrast is added on the light grey Nike Swoosh and heel guard. The 3D tongue tab is outlined in red, and the Shox system grabs attention with blue, magenta, and turquoise colors. Nike Shox technology originally launched in 2000, and this updated Nike sneaker has been redesigned for exceptional cushioning and unparalleled shock absorption. The four circles on the outsole are inspired by rocket engines and are designed to give runners an improved ride.