Wearable breast pumps are the easiest way to pump milk. You're not tied to a machine, you don't need to strip off your top. You just insert the Elvie pump into your bra, control it from your phone, and collect the milk.
It's a hospital-grade pump, which means the suction is powerful. Thanks to the exterior motor, these are light in your bra, not weighing it down or damaging it. It's a great solution for working parents or parents with small kids they need to chase around.