These trainers [sneakers] have been branded the most expensive in the world - after selling at auction for a record-breaking $437,500 USD [?L350,000 GBP]. The hand-made Nike Waffle Racing Flat 'Moon Shoe' from 1972 was one of the first to be designed by Nike co-founder Bill Bowerman. Only 12 pairs were made - and this pair are said to be the only ones that were never worn. They were bought by Canadian collector Miles Nadal at an auction by Sotheby's in New York. He dubbed the shoes " one of the rarest pairs of sneakers ever produced, and a true historical artefact in sports history and pop culture. The previous world auction record for any pair of sneakers was $190,373 USD, for a pair of signed Converse worn by Michael Jordan in the 1984 Olympic basketball final sold in 2017, according to Sotheby's. The Moon Shoe got its nickname due to the resemblance between the waffle pattern on its sole and the tracks left on the Moon by astronauts in 1969. Nadal had bought the other 99 lots in a sale of rare sneakers in New York. But the Nikes were sold separately at a public auction. They had a pre-sale estimate of just $160,000 USD (?L128,000 GBP). Editorial use only. Please credit Sotheby's/MEGA. 25 Jul 2019 Pictured: Nike Moon shoe. Photo credit: Courtesy of Sotheby's/MEGA TheMegaAgency.com +1 888 505 6342