Outside there are mostly pushy vendors selling fake bags and stuff, but if you get through, inside there are some decent cashmere, jeans, and militaryclothesbooths.
Don't buy anything without bargaining and don't try to say politely "no thank you" to the sellers. They jump in front of you and talk, and some even catch you by the arm! Ridiculous.
Se visitate Roma trovate un po' di tempo anche per questo mercatino davvero caratteristico, dietro la Basilica di San Giovanni è facile da raggiungere. Chiuso la domenica