Willow® Wearable Breast Pump Generation 3

Rated 4.0 out of 5
287 Reviews

Meet the all-in-one breast pump that fits in your bra and goes where you go. Our patented, no-spill technology lets you pump smarter and fully hands-free.

More comfort. More control. And 20% more milk*.

What's New for Generation 3?

Willow Pump Generation 3

Re-engineered from the inside out, our Generation 3 smart pump offers more comfort and control – and helps you get more milk.

  • Slower, softer pumping rhythm designed for comfort
  • Smart Suction technology adjusts based on your preferences to increase output (no need to press a button)
  • Plus, a new app exclusively for Generation 3 with step-by-step onboarding and personalized pumping tips

Select a Flange Size (Sizing Guide)

Sizing Guide

Size matters! Here's how to find your Willow size

Coin Method

  1. First, stimulate your nipple until it perks up (don't skip this step!)

  2. Hold up a dime, nickel and quarter to compare each coin against the diameter of the base of both of your nipples, not the areola (see diagram below)

  3. Willow Size Guide

    Find your Fit

    If your nipple is: Your size is:
    Much smaller than a dime See Printable Sizing Guide
    Equal to or smaller than a dime 21mm
    Larger than a dime but smaller than a nickel 24mm
    Equal to or larger than a nickel but smaller than a quarter 27mm
    Equal to or larger than a quarter 30mm
    (Not Offered Yet)
    Note: Sizing is the same for Milk Container and Flanges
$499.99

Free Shipping on all Pumps.
FSA/HSA reimbursement eligible.
Need help deciding?

Milk Storage Options

Pump Your Way

Willow is the only in-bra pump that gives you the flexibility to pump directly into spill-proof storage bags (24 included with Pump Kit) or reusable Containers (sold separately).

Milk Storage Options

Pump Your Way

Willow is the only in-bra pump that gives you the flexibility to pump directly into spill-proof storage bags (24 included with Pump Kit) or reusable Containers (sold separately).

  • Everything works inside the Pump and inside your bra, with no external tubes, cords, or dangling bottles to hold you back.
  • Milk flows into the self-sealing and spill-proof disposable collection and storage bag (an essential part of the Pump Kit) or reusable Container inside the Pump (Container accessory sold separately).
  • Smart, proprietary technology responds to your body and maintains suction similar to a baby, enabling true mobility without spilling a drop.
  • Lie down, bend over, play with baby, take a conference call… pump wherever the day takes you!
  • The only wearable pump offering the option to pump into either Milk Bags or Reusable Containers
  • The only wearable pump that is totally enclosed and spill-proof in any position, with self-sealing Milk Bags
  • Quiet for discreet pumping
  • Seven levels of suction comparable to most traditional double electric and hospital grade pumps, with two new lower suction levels and a new sensitivity setting
  • Smart Suction technology adjusts based on your preferences to increase output (no need to press a button)
  • New app exclusively for Generation 3 with step-by-step onboarding and simple, fast pairing – plus volume tracking, session history, and personalized pumping tips
  • Compatible with iOS (iPhone 6 or newer) and Android (supported models)
  • Only two parts to clean (dishwasher safe)
  • BPA free
  • Rechargeable battery lasts up to 5 pumping sessions to get you through the day
  • One year warranty from first use

Willow comes with everything you need to get started:

  • (2) Willow Pumps
  • (2) 24mm or 27mm Flanges (21mm Flanges ship in a separate box)
  • (2) Flextubes™
  • (24) 4 oz. Milk Bags
  • (2) Cleaning Brushes
  • Charger
What are the new features for Willow Pump Generation 3?
We’ve re-engineered how Willow pumps to yield more milk per session - and offer more comfort and control. Generation 3 has a slower, softer pumping rhythm and a sensitivity setting for comfort, plus new Smart Suction technology that adjusts based on your preferences to help you get more milk. Compatible with our new app exclusively for Generation 3, which offers fast, easy pairing, step-by-step onboarding, and personalized tips.
How do I download the Generation 3 App?
Our Generation 3 App is available for iOS and Android.
Do you offer financing?
Yes! We partner with Affirm to offer payment plans for the Willow Wearable Breast Pump. Learn more
Can I use my HSA/FSA?
Yes you can. Simply pay for your breast pump, milk bags, and accessories using your FSA/HSA debit card at checkout, or pay with another credit card and submit your receipt to your plan administrator for reimbursement.
Is Willow covered by insurance?
Some women are able to obtain full or partial reimbursement for their Willow Pump through insurance. We recommend you contact your insurance provider to see if they will cover some or all of the cost of the pump.
Does Willow work with larger breast sizes?
Yes. Willow was designed to work with larger breast sizes including G and H bra cups. See our Sizing Guide for fit.
Do I need a special bra for Willow?
We recommend wearing Willow with a full-coverage nursing bra that’s stretchy and has a flap. Avoid underwire and padded bras.
What sizes are available?
Willow offers Flanges and Milk Container accessories in size 21mm, 24mm & 27mm. Unsure of your size? Visit our sizing guide.
Can you ship Willow internationally?
Not at this time, but our goal is to get Willow into the hands of women around the world—so it’s something we hope to offer in the future.

Awards & Accolades

average rating 4.0 out of 5
Based on 287 reviews
  • 5 Stars
    152 Reviews
  • 4 Stars
    63 Reviews
  • 3 Stars
    23 Reviews
  • 2 Stars
    19 Reviews
  • 1 Star
    30 Reviews
80% of reviewers would recommend this product to a friend
Customer photos and videos
287 Reviews
Reviewed by Rechelle
Verified Reviewer
I recommend this product
Willow Pump
Gen 2
Rated 5 out of 5
Review posted

Putting my willow away

I just cleaned and stowed away my pumps after a year of breastfeeding/pumping. I honestly don’t know what I would have done at work without willow pump. I’m an ICU nurse and there are just times I can’t leave the floor longer than a couple minutes because of how busy it is or if I have a super sick patient. Willow pump has been such an amazing pump for work — I was always able to pump at least twice during work (during insanely busy days) and on a normal day every 4 hours on the dot without fail.

Willow pump is the reason why I was able to breastfeed for so long even after going back to work because the consistency in pumping allowed my supply to remain the same or even increase. I never needed to supplement with formula except for during the first week my daughter was born (and it was for medical necessity not really a supply issue)!

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Willow Pump

We love this, Rechelle! This is totally what keeps us going! We love that Willow helped you reached your breastfeeding goals! Yay! And well done, mama!

Reviewed by Kelly G.
Verified Reviewer
I recommend this product
Willow Pump
Gen 2
Rated 5 out of 5
Review posted

Helpful!

I ran into issues, and the Willow team helped me fix them. Love that I can pump now without being tied to the wall. Thank you!

PS - this is an update to an earlier review. Your team resolved everything. Thank you!

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Willow Pump

Thanks so much for submitting an updated review! We're so glad to hear your issues have been resolved.

Reviewed by Lara C.
Verified Reviewer
I recommend this product
Willow Pump
Gen 3
Rated 5 out of 5
Review posted

These pumps are a total game changer!

These pumps are fantastic. I bought the Willow pumps when pumping with the spectra wasn't working out for me and my schedule. The Willow pumps were a game-changer, allowing me to pump during my commute, pump at work, and pump while playing with my daughter. In addition to highly recommending the pumps, I've also had a great experience with the customer service team. When one of my milk containers stopped maintaining suction they sent me a new set and when I had a problem with one of my pumps they walked through several troubleshooting options with me and ultimately sent me a replacement pump. This type of customer service and standing by the product makes these pumps well worth the price!

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Willow Pump

Wow! What a great review! Thanks so much for calling out our awesome customer care team! We'll be sure to share this with them!

Reviewed by Nicole
Verified Reviewer
I recommend this product
Willow Pump
Gen 2
Rated 5 out of 5
Review posted

Game Changer

The willow was an investment that I wished I had bought sooner with my other pregnancies. Having young toddlers and a newborn, the freedom to not be hooked up to the wall is a game changer. The willow allows me to pump while multitasking, which we all know is important with kids. The website and app has great tips on how to properly work and manage your pump with simple, easy videos to follow.

If you are on the fence about this pump, it is well worth the money and freedom from a traditional breast pump. The pump is relatively quite. It is a little bulky while wearing it, but the benefits of this pump outweighs that. I would hands down recommend the willow to anyone who is looking for a great breast pump.

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Willow Pump

Hi Nicole! Thanks so much for reaching out to share your experience!

Reviewed by Katie
Verified Buyer
I recommend this product
Willow Pump
Gen 3
Rated 5 out of 5
Review posted

Saved My Breastfeeding Journey

I was very hesitant to spend so much money on a pump because I was having a decent experience with my Spectra S1, but the Willow has absolutely been worth it. I had been 85% nursing/15% pumping for the first 4 months postpartum, but when my demands at school increased, I found it so hard to pump. I am a medical student who was required to attend classes that I had to sneak away from every few hours to pump. My supply was decreasing, I was feeling frustrated, and I was spending so much time setting up my pump, pumping, and cleaning it all up. I decided to take a chance on the Willow in the hopes that I would be able to use it mostly when I began my clinical rotations in the future. It was the best decision I could have made! I actually didn't get a chance to use it at school before my classes were made virtual due to the COVID-19 pandemic, but I use my Willow ~5x/day even at home. There's a bit of a learning curve and sizing is extremely important, but it is so worth figuring it out. The ability to pump while cleaning, eating, cooking, studying, taking a walk, etc is amazing! I would 100% recommend this pump to moms who work outside the home or who work caring for their kids at home. I almost never use my old pump anymore, but I recently did when I had forgotten to charge one of my Willow hubs. Even though I never disliked my Spectra when I used it at the beginning, after pumping with the Willow I realized how much better the Willow is! Suction is great, very comfortable,…

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Willow Pump

Hi Katie! Thanks so much for sharing the love! We're so happy you're part of the Willow community!