Willow® Wearable Breast Pump Generation 3

Rated 4.1 out of 5
566 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)

Find Your Flange Size

with a ruler app on your phone

    Your flange size is based on your nipple measurement in millimeters. Use an app ruler for easy and accurate sizing

    • Download "Ruler 2.0" for iOS or "Millimeter" for Android phones.
    • In iOS app settings, set measurement to “mm”. For Android, select default calibration.
    • Stimulate nipple to perk it up
    • Place phone screen perpendicular to nipple. (Figure 1)
    • Nipple base should line up with the zero points in the corner of app screen (Figure 2)
    • Slide measurement bar on screen to opposite nipple base - that’s your nipple measurement. (Figure 3)
    • Use a flange that’s 2-4 mm larger than your nipple measurement. (Figure 4)
      • Willow Size Guide

        FRONTAL VIEW
        Hold phone
        perpendicular to nipple.

        Willow Size Guide

        TOP DOWN VIEW
        Use your finger to slide the ruler line to measure nipple.


        Flange Size Chart 4

        Find the right flange sized based on
        your measurements.

        Flange Size Chart
$499.99
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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

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 4.1 out of 5
Based on 566 reviews
  • 5 Stars
    311 Reviews
  • 4 Stars
    126 Reviews
  • 3 Stars
    41 Reviews
  • 2 Stars
    37 Reviews
  • 1 Star
    51 Reviews
81% of reviewers would recommend this product to a friend
Customer photos and videos
566 Reviews
Reviewed by Tiffany
Verified Buyer
I recommend this product
Willow Pump
Gen 3
Rated 5 out of 5
Review posted

Love the convenience once I learned it!

It took about a week of sessions to really fully understand/remember how to work the pump correctly. Things like how to fix the error light & remembering to flip to the 2 before flipping to finish! However, once I got the hang of these things, I am SO happy with this product. I was super motivated to nail the whole pumping business this time around (#3) & I feel like Willow has helped me do that! I still get a sense of accomplishment because I am able to multi task & it has made it so easy to stay on schedule while running errands, traveling, etc. Definitely worth the investment!

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Willow Pump

So glad you're enjoying the convenience and freedom of pumping with Willow!

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

Worth the money

Love my willow pumps, they bring a ton of flexibility to postpartum life. Customer service has been great too. I had an issue with one of the pumps and they replaced it immediately! Only issue i have is I cant really hold my baby while i have them on and the containers (bought separately) are really finicky. The bags work much better.

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Willow Pump

Thanks for reaching out to share your review! We'll be sure to pass along your kudos to our customer care team as well! Thanks for being part of the Willow family!

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

Worth It

I waited to get this until my daughter was 4 months and I was going back to work, and I wish I had gotten it sooner! I wasn’t sure if I would need this since I already had a double electric pump, but this is a game changer! I completely hated pumping before - I couldn’t play with my daughter while hooked up to that pump, had to change into a different bra first for pumping. But this makes pumping actually doable - plus the app is a great bonus to see and track how much you’ve pumped each time. I think it’s totally worth the investment.

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Willow Pump

We're so happy Willow has been a game-changer for you! Thanks for sharing the love!

Reviewed by Tawnya F.
I recommend this product
Willow Pump
Gen 3
Rated 5 out of 5
Review posted

Wish I’d found you sooner

I stared out with a different wearable pump but I wish I had found the willow sooner. I couldn’t be happier! It has allowed me to do my job as a nurse and even more at home. My out put improved and no more clogged ducts! I’m in live with mine!

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Willow Pump

We're so glad you finally found Willow! Thank you for reaching out to share this!

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

Willow-game changer!

First time mom here. Willow has changed my life! I have had to exclusively pump pretty much from the birth of my son in early October. At first I was utilizing my spectra, having to pump every 2-3 hours to meet my baby’s needs, tied down for 25-30 minutes at a time. I decided to go ahead and make the investment in purchasing the Willow pump. I’m serious when I say life changing! I can spend all those 25-30 minute pump sessions with my baby or doing other things like washing bottles or actually enjoying a snack while I pump. Also, I want to mention, the customer service is tremendous! I had just started having some problems with the suction of my right pump and to my dismay I noticed a crack in the component that squeezes the tube to establish suction and collect the milk. I made contact with Willow’s customer service and I was relieved to find such a friendly, helpful, and receptive customer service rep. I cannot express how amazing it makes me feel and how worthy of an investment I made in this product just by having such a good experience with their customer service department. Being an exclusive pumper I was distraught when I noticed my pump was malfunctioning and then to notice it was essentially broken in just a month. With very few requests from me Willow made it right. I highly recommend this device. I’m not going to lie, having to be an exclusive pumper, if I did not

invest in this device I most likely would not be able to provide my son breast milk for long. Having…

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Willow Pump

Hi Ashley, Thanks for sharing such a wonderful review! We're so happy to hear your experience has been so great!