I have long hair so there's no way I can swim without a cap--gets too distracting! I prefer the silicone caps b/c they go one more easily and while they aren't obviously complete protection, I think they limit the chlorine exposure my hair gets. On occasions when I've gone without a cap, I've noticed a difference in the texture of my hair. But if you're very, very shorthaired, that's probably not an issue.
I have long hair so there's no way I can swim without a cap--gets too distracting! I prefer the silicone caps b/c they go one more easily and while they aren't obviously complete protection, I think they limit the chlorine exposure my hair gets. On occasions when I've gone without a cap, I've noticed a difference in the texture of my hair. But if you're very, very shorthaired, that's probably not an issue.