Onitsuka Tiger Ultimate 81 Grey/Yellow Trainers Colourway; Castle Rock, Yellow Grey mesh and material upper with trademark Asics Onitsuka side stripes in yellow. Grey suede trim around laces, heel and toe. Soft white leather lining around inner ankle area, and Tiger legend on the heel trim in green. Green synthetic midsole below white keyline, with grey outsole. As suggested by the name, the heritage of this running style trainer goes back to 1981, and this is the classic colourway for this style.