Depends on the jersey you're wearing on top. Jerseys on their own usually aren't that good at wicking away sweat and get a bit clingy and uncomfortable if you're sweating a lot. But as with most things in cycling you don't need one, but its nice to have.
Depends on the jersey you're wearing on top. Jerseys on their own usually aren't that good at wicking away sweat and get a bit clingy and uncomfortable if you're sweating a lot. But as with most things in cycling you don't need one, but its nice to have.