The original Air Rift was designed by Kip Buck and Tinker Hatfield with the aim of replicating the feeling of barefoot running. The original release, in 1996, featured a black pair with green and red accents, a colourway which was inspired by the Kenyan flag. The model is named after the Great Rift Valley in Kenya, where the country splits in two, this is one of the reasons behind the split toe design. This later model, dubbed the 'Free Gym' features a bonded mesh upper, with suede lining and Nike Free sole technology. Probably the best summer shoes ever. Very good condition.