Also hair on the back at all: y/n?
As the hairiest twenty-something I know (and formerly the hairiest teenager I knew; that was rough, let me tell you), I have some insight as to this.
You basically have two options: ignore it completely, or get it waxed. Shaving it sounds feasible at first, but trust me; it requires a substantial amount of awkward upkeep or you're looking at a great deal of discomfort/ingrown hairs in rough places.
Waxing is a pretty safe bet but can be kind of expensive. It feels and looks
great but you'll basically have to plan on spending about $60 every 3 months or so if you want to make it a regular thing. At the height of my vanity, I actually kept this cycle up and I considered it just basic grooming (chicks have to wax their legs, so I have to do my back) but scheduling became difficult and I was frankly not having enough sex to keep it up after I went to law school. Now I usually just treat myself to it in late April or early May every year in preparation for the summer. If you want to do it more often than this but can't afford pro waxing, I actually REALLY recommend Nair. Ultimately, I consider it worth the financial investment for no other reason than that it keeps me from smelling bad in the summer when I'm outside but YMMV.
The other option is to just let it ride. Some dudes use beard trimmers to get it down if they have especially long body hair; I actually do but have never tried this so I can't attest. This option can actually play in your favor; many, many more women than you'd think really dig hair and by the time any woman actually sees your naked back in all its glory it's usually too late to turn back. That said, you have to be careful; the barbarian card is a tough one to play so if you're even slightly slovenly or balding your hair will make you look like an ogre. The most important thing is to
stay in shape. A broad chest and set of shoulders will spin body hair like you wouldn't believe, and a hairy belly will actually play in your favor in that you won't be under nearly as much pressure to have a six-pack.
Whatever you do, do it with confidence. Above all, body hair is manly. Sell it.