These are adidas Samba sneakers that are made from leather. As far as size goes, they span from 5 to 11.5.
Size
US 4, US 4.5, US 5, US 5.5, US 6, US 6.5, US 7, US 7.5, US 8, US 8.5, US 9, US 9.5, US 10, US 10.5, US 11, US 11.5, US 12, US 12.5, US 13, US 13.5, US 14, US 15