The Nike Air Max 90 Plus is a modern take on the classic Air Max 90 sneaker. It features a lightweight mesh upper with synthetic overlays for added durability and breathability. The midsole is equipped with a full-length Max Air unit for cushioning and comfort, while the
From Wikipedia
Nike Air Max is a line of shoes produced by Nike, Inc., with the first model released in 1986. Air Max shoes are identified by their midsoles incorporating flexible urethane pouches filled with pressurized gas, visible from the exterior of the shoe and intended to provide cushioning to the underfoot. Air Max was conceptualized by Tinker Hatfield, who initially worked for Nike designing stores.