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Home / Breast Pumps / Willow Sync
Willow Sync — Wearable · in-bra from Willow
Willow
Wearable · in-bra

Willow Sync

By Willow
4.6 (5 reviews)
Expert Tip
Great for multitasking. Everything fits discreetly in your bra with no cords or motor to clip on, so you can pump while working, commuting, or chasing toddlers.

Willow Sync is the newest fully in-bra wearable pump from Willow's award-winning pump portfolio. Willow Sync has an innovative design that fits fully in bra, flexibility to pump single or double, high...

Insurance

Covered by insurance

Most moms are fully covered for this pump. The check takes about 2 minutes — we handle the paperwork.

CoveredFully covered by most plans
Max Coverage Guarantee — if your plan qualifies for a better benefit, we apply it automatically.
Get this pump through insurance
  • 2-minute eligibility check — have your insurance card handy
  • Order window: most plans allow anytime during pregnancy
  • Plan not covered? You still get our Moms First price — 20% off retail.
Moms First
Retail

Buy with Moms First

Order direct, no insurance needed — most moms add a second pump this way. Moms First members save 20% and get 2 expert-led classes.

$229.99
  • Ships nationwide in 2–3 days
  • Free Breastfeeding 101 + Pumping Basics
Free delivery HSA/FSA eligible Max coverage guarantee
About the Willow Sync

Why moms choose
the Willow Sync.

Willow Sync is the newest fully in-bra wearable pump from Willow's award-winning pump portfolio. Willow Sync has an innovative design that fits fully in bra, flexibility to pump single or double, highly customizable features, and unique technology built for efficient output. Gain access to best-in-class customer care and the Willow app, where you can manage your sessions and access feeding support. Plus, it's easy to assemble and has dishwasher safe parts, making cleanup a breeze.

Ideal for

Who the Willow Sync
is built for.

Working moms

Pump discreetly during meetings, commutes, or while chasing toddlers — no cords, no setup, no interruptions.

Moms on the go

Fits in your bra and works anywhere. Perfect for errands, travel, or just getting out of the house.

Exclusive pumpers

Multiple daily sessions are easier when you can move freely. Pair with a tabletop pump for variety.

What's in the box

What you get

  • 1 - Willow Sync Breast Pump Motor
  • 1 - Receiver
  • 2 - 5 ox Container Set
  • 2 - Diaphragm
  • 1 - Tubing
  • 1 - USB Cable
  • 2 - 24 mm Flange
  • 2 - 21 mm Sizing Insert
Specs

The technical part.

Breast Pump Type
Double Electric Breast Pump
Pumping Options
Single or Double Pumping
Vacuum (max mmHg)
245 mmHg
Suction Modes
Suction (20 levels)
System Type
Closed System / Backflow Protection
Power Source
USB
Battery Life
60 Minutes
Charging Time
120 Minutes
Milk Capacity
5 fluid ounces
BPA Free
Yes
HSA/ FSA Eligible
Yes
App Connectivity
AppleAndroid
Warranty
1 year on pump motor and 90 days on accessories; call (888) 945-5693 for service
Replacement parts & resupply

Keep your Willow Sync
working like new.

MilkZoom · Recommended

Replacement parts. Shipped monthly. Through your insurance.

Duckbills, diaphragms, tubing, breast shields, storage bags — all shipped to your door every month, billed to your insurance. Most moms are fully covered.

Learn More
$71.33
Average monthly value covered through insurance
Average across 1NW MilkZoom members with insurance coverage. Individual savings vary by plan and pump model.

Compatible parts at retail.

Need a single part rather than a recurring shipment? These are the Willow Willow Sync-compatible parts available for one-off purchase. If your plan covers MilkZoom, the program above offfers better economics — these retail options are for moms whose insurance doesn't cover resupply, or who just need one specific item right now.

Answered honestly

Common questions
about the Willow Sync.

Real questions our IBCLC team and care concierge get every week. Don't see yours? Ask our care team — included with every pump.

Most insurance plans cover breast pumps at no cost to you under the Affordable Care Act. The Willow Sync is one of our most popular covered pumps.
Check your coverage →
Most insurance plans allow you to order your pump at anytime during pregnancy. Some plans let you order earlier. We'll check your specific eligibility window when you enter your insurance info.
Once your order is on file and all paperwork received, pumps typically ship within 1–2 business days and arrive in 2–5 business days depending on your location. We ship free via UPS, FedEx, and USPS.
Every pump comes with access to our care team, including IBCLCs (lactation consultants) who can help with sizing, settings, and technique. You can reach them via chat, email, or video call — all included at no extra cost.
Yes! Breast pumps are HSA/FSA eligible. If you're paying out of pocket or covering an upgrade, you can use your pre-tax health savings.
Verified reviews

Real moms.
Real critiques.

★★★★★

"I love the Willow Sync! It seems to empty my girls out. I love that it syncs with an app and I can track my hours and oz..."

Yasmine T. · Verified · this month
★★★★★

"The willow is so handy and the suction compares to my wall pump! I only have a good supply on one side so being able to..."

Marissa N. · Verified · 2 mo ago
★★★★★

"I love how I they are connected to one motor. You don’t have to worry about turning both motors on. They are not heavy a..."

Sarah M. · Verified · 3 mo ago
Begin with coverage

Find out what your insurance covers —
in about 2 minutes.

From pumps to maternity supplies. No obligation, no phone calls — we handle the paperwork either way.

Check Your Coverage Talk to our team
Willow Sync Upgrade fee may apply · rest covered
Check my coverage