Product fits great. I do not feel uncomfortable even when the legs bunch up. Moisture in the nether realms may be an issue if you are active; I'd recommend something with moisture wicking. But these are good for general purpose.
I have had many other brands in the past that would stretch out and become completely unwearable after just a year or two, but I am still wearing these almost four years later and the waistband has not stretched out one bit! The legs, however, do loosen and become more boxer than boxer-brief. This is after two years, maybe.
The rear tag does not cause me any irritation. Fly is too clumsy to use, it could be a lot better. This material isn't very stretchy, so that probably explains it. I never use the fly on my underwear anyway.
A few months after posting this review, the waistband started to tear off from the rest of the underwear in certain sections (under the rear tag mostly, which seems ironic considering that should be one of the strongest seams of any underwear).
You probably should not be keeping any underwear for four years without replacing them anyway unless they are backups.
Our fruit of the loom print and solid boxer briefs are designed with superior features like reinforced leg bands that keep the underwear in place and plush-backed waistbands that are soft against the skin