- PUMP IN ANY POSITION: Designed with a 100% leak-proof latch, Willow 3.0 Wearable Breast Pump works whether you’re running a meeting, running after your toddler or running a marathon.
- HOSPITAL-GRADE SUCTION STRENGTH, CONTINUOUS LATCH: Our portable breast pump delivers hospital-grade suction strength and optimal output. Patented Continuous Latch technology and spill-proof milk bags enable a full range of motion without leaking.
- SMALL, POWERFUL AND MOBILE: Willow 3.0 is the only wearable breast pump that makes it possible to pump into milk bags or reusable containers, offering the ultimate flexibility for moms on the go. Rechargeable battery lasts up to 5 pumping sessions.
- COMPATIBLE WITH APPLE WATCH: The only wearable breast pump with an Apple Watch-compatible app, you can pause, adjust and track your wireless breast pump with a simple tap. Browse research-backed content and connect with experts.
Manage your session with a tap
Use the Willow app to start, pause, and stop your pumps, and adjust suction when you’re in Stimulation and Expression. It’s that simple.

Find your flange fit. Pump with confidence.

Find your nipple size
When it comes to wearable pumps, size really matters. Having a flange that fits is critical for performance (that’s right, size impacts output!) and comfort.

Willow nipple size guide
Once you have your measurements, add 0-2mm to find the right flange. See the chart above.
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