Willow Wave | A WEARABLE Manual Pump: Great or Terrible Idea?

When I first saw the Willow Wave, I bought it immediately.

Why? Because it’s different.

The Willow Wave is the first wearable, in-bra manual pump I’ve seen hit the market, and as a breast pump nerd, I was curious. But while it’s definitely innovative, I’m not convinced it’s the best option for most pumping moms.

(This post was originally a video. Check it out, here)


What Makes It Unique?

The Willow Wave combines two things that traditionally don’t go together: a manual pump and a wearable collection cup.

As someone who loves manual pumps, I was intrigued. Manual pumps give you complete control over suction, speed, and rhythm. They’re intuitive, effective, and a great way to learn how your body responds to pumping.

But wearable cups introduce a whole new set of challenges.


The Biggest Drawback

My biggest concern isn’t that it’s manual—it’s that it’s wearable.

With a traditional manual pump, you can see everything:

  • Your nipple alignment
  • Your milk flow
  • Your letdowns

With the Willow Wave, all of that visibility disappears. The flange tunnel isn’t transparent, so you can’t see your nipple placement at all. For something as alignment-sensitive as pumping, that’s a significant drawback.

On top of that, wearable cups create breast compression, require proper bra fit, and make flange sizing even more important.

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What I Like

Willow actually did a nice job with the pumping mechanism itself.

The pump has dedicated stimulation and expression modes, making it easy to transition between the two without overthinking settings. The suction levels are comparable to what you’d expect from many electric pumps, but because it’s manual, you’re still in complete control of how much suction you use.

That’s one of the reasons manual pumps work so well for many moms.


Who Is This Pump For?

I wouldn’t recommend the Willow Wave as a first pump or even as a primary backup pump.

However, if you’re someone who already loves manual pumps and wishes you had a more discreet, cup-style option, this could be an interesting fit.

It’s a niche product for a niche user.


My Final Thoughts

The Willow Wave is innovative, and I appreciate that Willow is trying something new. But at the end of the day, it’s still a wearable cup—and wearable cups require excellent fit, alignment, and pumping technique to work well.

Would I choose it over a traditional manual pump? Probably not.

But if you’re already a manual pump fan and you’re looking for a more discreet option, the Willow Wave might be worth exploring. It feels less like the finished product and more like the first step in what could become a really interesting category of pumps.

Getting inconsistent output with your wearable pump? Our 2-hour Wearable Pump Masterclass can help you pump more milk with your wearable! ✅ Start here

Meet Allison Tolman, LPN, IBCLC!

She is the owner and founder of New Little Life, a company dedicated to providing objective information and support for pumping mothers. With 15+ years of experience in various pregnancy and postpartum fields including as an LPN, birth doula, childbirth educator, and IBCLC, her current research focuses on testing and exploring breast pumps to find the most practical way to help pumping mothers reach their goals as well as teaching lactation professionals to better understand the complex art of pumping.ย 

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