To celebrate 35 years of the Air Max 1, Nike has teamed up with Korean shop Kasina, which is celebrating its 25th anniversary . The Nike Air Max 1 Kasine Won-Ang Grey is inspired by the won-ang female (Mandarin duck), unlike the orange. A symbol of unity and love, this won-ang is present on the heel of both shoes. In addition to playing with colours, this variation of the AM1 offers a play on materials. Leather, suede and pony hair in shades of grey and blue are used. There is also a mini Swoosh floral on the mudguard.