Where to donate men's professional clothes?

I am looking to get rid of some men's suits and button up shirts and am wondering if anyone knows where I could donate them? Ideally I'm thinking of something like Dress For Success (which supplies professional clothing and support to help disadvantaged/impoverished women get jobs), but for men's clothes. Any ideas?? Alternatively, if you personally know of someone who could use them (suit sizes: 41L to 46L) then please let me know. Thanks, Chloe