In '89, Reebok introduces 'The Pump' technology to the market and sneakerheads everywhere went 🥜. Nike quickly responded that same year with the 'Air Pressure' and the 'Air Command Force' in '91.
Nike Air Pressure 1989 Original | SneakerNews.com
Nike Air Force 180 Basketball Pump - 1990s | Nike air, Sneakers, Sneakers men fashion
Nike Air Pressure with Pump | Nike Air Pressure, released in… | Flickr