Sony WH1000XM6/SM Wireless Over-Ear Noise Cancelling Headphones – Hi-Res Audio, Foldable Design, 30-Hour Battery Life, Multi-Point Bluetooth
Its isolation is amazing, you can't hear anyone. It's suitable for the gym, travel, and sports in general.
I used it for 5 months.
For your information, I bought it for 1400 and you can search for it to confirm.