Nike Bruin Leather | eBay。Up for sale is an incredibly rare piece of early Nike history: an original pair of January 1981 Nike Bruins, manufactured at the legendary Seonghwa factory in South Korea (ST code). I am listing these in fair condition because they are worn and have marks on the white leather, shoelaces and soles. The insoles are missing. The leather appears to be in good shape for the exception of the marks and wear. Please view the pictures as they are part of the description. The below is from the internet: True vintage Nike pairs from the early 1980s are becoming nearly impossible to find in any condition, especially variants featuring the premium all-leather upper combined with the classic textured tan/gum rubber cupsole. Tag Details: Stamped 810103 ST on the interior, denoting a production date of January 1981 from the South Korean ST plant.