What to do with good but not needed clothing? That’s one of the questions a westerner stuck in Moscow will ask at some point. Something similar to Goodwill has opened in Moscow under the auspices of the Charity Department of the Moscow Patriarchate.
While there are a lot of let’s politely say controversial stuff about the church, I’ve interacted with the charity section twice, and was highly impressed with efficienty and good vibes there.
The address is Dubninskaya 79 (Metro Altufyevskoye or train station Lianozovskaya, between Dmitrovskoye and Altufyevskoye Shosse. Details are in this philanthropy.ru article.