OK, I know they aren't trainers, but they are adidas keyrings depicting the Manchester and Dublin from the City Series - available on eBay for not much money 😀
Adidas Originals Trefoil Metal Keychain Carabiner Keyring Ring Blue | Metal keychain, Blue rings, Keyrings
Adidas Originals x Toy2R QEE Adicolor (B&W) Figure Keychain Key Ring - NIB on eBid United States | 209256692