I got my first quality jacket & pants in 1972 when I bought a Belstaff waxed-cotton enduro set. I was riding my Yamaha 360 on the street and racing it on weekends w/a friend who owned two 360's, one an Enduro and the other an MX. For those of you in the age group, one had the black tank & a yellow stripe, and the other had a black tank & a red stripe. The MX could almost hit 100 mph, my 360 would do 89 mph if I got 'under the paint.'
The Belstaff was considered to be premium gear, it only had double thickness waxed cotton on the forearms & shoulders. It had four big patch pockets on the front, and I had a pair of waxed cotton overpants to match. It was my 'everyday' gear for close to 20 years before it rotted-apart. The pants fared better, and I actually still have them, though I haven't used them in years.
Nowadays, I have an Alpinestars 'competition jacket,' old-school in appearance, a mandarin collar & all leather, it's got CE armor everywhere, which I usually don't use as that makes it a bit too-snug on me. What I usually ride wearing is a Joe Rocket padded mesh jacket for warmer days, and a layered Tourmaster jacket which also has CE armor, and two zip-in layers, depending on how cold it is. If I was gonna only wear one, it would be the Tourmaster, it's not as-cool as the mesh Joe Rocket, but it's a whole 'lot warmer if the weather turns cold, a rare occurence in south FL.
The advantage of the new designs is that you can add/subtract layers as the weather changes, and I suggest something w/Gore-Tex or equivalent for water shedding. Buy a bit larger than your actual size to allow layering. If your jacket comes w/multiple layers, then you may be able to get something more-snug, since you can use the jacket & its layers as needed.
I think my Tourmaster is the Transition model.
I also have a Dianese one-piece, like an Aerostitch one-piece, very high quality. It has some wild graphics, like a winding road, not for the shy or 'attention-averse.' It has CE armor everywhere.
If you plan on riding long distances, you almost have to get something Gore-Tex to prevent you getting hypothermia from being cold & wet. If you're more of an 'around-town' rider, and like the appearance of a traditional leather jacket, get one from a bike shop, from a long-time manufacturer, like Langlitz or similar. Schott I think is another one that's been around for a long time. There are others, just see what riders have to say in the comments section, and it's usually better to buy locally, as the online sizes may not fit well. I've found the European manufacturers sizing runs a bit small compared to what I wear as a sportcoat. I've had to go up two sizes compared to my sportcoat size (USA-46") to get something that didn't squeeze me uncomfortably.
Study your options, and don't be in too-much of a hurry to buy something, especially w/o being able to try it on.