Close up of Nike Air logo on sports shoe - Stock image
Equipment, Exercising, Jogging, Personal Accessory, Shoe
Cheltenham, United Kingdom - September 1, 2011: Close up of Nike Air logo on the heel of a Air Max 90 trainer. Isolated studio shot. Nike often updates old designs with new technology, originally released in 1990 this Air Max 90 has been redesigned using Nike's Hyperfuse technology. Hyperfuse uses heat and pressure to bond the shoe structure together.