You drive, sow, prune, bale, and feed. The days are long, your hands are busy with the work, and the machine keeps the same steady drone from morning to night. Your ears are the one free channel of the workday: room enough for an audiobook, a podcast, or a call home, as long as the drone doesn't drown it out.
That's exactly what ANC is built for. It dampens the low background noise of the engine, the tires, and the hydraulics, so you can listen without cranking the volume all the way up. And that radio station playing the same hits three times a day, you can finally leave it behind.
One honest limit: ANC headphones are not hearing protection. In an open cab, with a chainsaw, or in any other serious noise, use real hearing protection. As the entertainment system for a quieter cab, though, these are the best money can buy, and the money stays in Finland. Among other things, it goes toward patching the frost-heave potholes your tractor drives over every spring.