The Red Banner Textile Factory (Russian: Трикотажная фабрика «Красное Знамя»; Trikotazhnaya fabrika "Krasnoye Znamya") in Leningrad (now St Petersburg), Pionerskaya ulitsa (Pioneers street), 53 was designed by Erich Mendelsohn and later partly redesigned by S. O. Ovsyannikov, E. A. Tretyakov, and Hyppolit Pretreaus (the senior architect of the project).