Why do Jewish men wear strings on their pants?

Answer 1

The strings are attached to an undershirt. This garment is called Tsitsit katan (ציצית קטן). They represent the 613 commandments of the Jewish faith. All Orthodox males are required to wear them after age 3.

Answer 2

They're called tzitzis and are worn in keeping with verses in Numbers ch.15. They're threaded and knotted in particular ways and are usually white, though sometimes a singular thread is dyed. Other types of tzitzits, like the Karaite and Ebionite tzitzits, have more than one thread dyed.

Answer 3

They are belts. The strings are attached to an undershirt. This garment is called Tsitsit katan (ציצית קטן). They represent the 613 commandments of the Jewish faith. All Orthodox males are required to wear them after age 3.

Answer 4

They're not strings, they're earlocks.