Ecco Mens St.1 Hybrid Lite Mesh Summer Derby Oxford Shoes Gray US 11-11.5/45US size is 11-11.5. EU is size 45.Shoes are in good used condition. The mesh uppers have no rips, snags or stains. The insoles are removable and in good shape. The outsoles show some light wear but are not worn down and are in good shape. There are some marks/scoffs around the outside edges. See photos.