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PIPA rx Infant Car Seat with RELX Base

Rated 4.7 out of 5
27 Reviews|, Answered Questionsor
$
550.00
Free shipping & returns for Babylist orders $45+
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color
Pine
Thumbnail of CaviarThumbnail of CedarThumbnail of GraniteThumbnail of MacaronThumbnail of Pine
1

Overview

Highlights

  • Includes infant car seat & base
  • Organic jersey insert
  • Stability leg

Description

Nuna products are known for being well-made. Color-coded indicators (green means installation is complete; red tells you there’s more to do) let you know when the base is connected correctly so you can travel with confidence. It’s also easy to install without the base—handy for parents who often rideshare.

This seat gets points for safety and comfort. It has side-impact protection and a base with a fold-down stability leg that wedges against the car floor. The leg absorbs collision forces in an accident and stabilizes your baby’s ride the rest of the time (it’s a locking 3-piece design that makes it a better fit for different types of cars and the middle seat).

The base also has an anti-rebound panel that helps achieve a tight install and prevents extra motion. There’s more: the steel-reinforced rigid latch has four positions for a better fit against your vehicle seat.

The bubble-free, numbered recline means you can change positions as your baby grows without having to uninstall the base. The low-profile base also allows for easier loading of the car seat.

The vehicle seat belt lockoff makes belt routing easy with the open belt path, and opens smoothly with the touch of a button. Natural belt angles for lap and shoulder belts accommodate more vehicles.

Another parent favorite: the Sky drape pulls down smoothly and attaches quietly with magnets, creating a shelter that harbors baby from the elements, while the mesh window lets you check in. The canopy is UPF 50+ canopy with a flip-out eyeshade for added protection.

The Pipa RX comes with a two-piece removable infant insert made from organic jersey and head support that customizes to baby’s shape. All the materials used are flame resistant, but without any added fire retardant chemicals.

Two more noteworthy details: buckle holders keep the buckle out of the way when you’re putting in baby and the luxe leatherette handle adds a chic touch. An additional Relx Base can also be purchased for multiple vehicles.

If you want to attach your infant car seat to a stroller, the PIPA is compatible with many popular stroller brands. You can connect it directly to the Nuna Demi Grow, MIXX, TAVO, PEPP (adapter included), or another option: the UPPAbabyVista and Cruz (2015 and newer models; do not use RumbleSeat) with an adapter (sold separately).

Pine is a Babylist exclusive, so you’ll only find it here.

What we  about it

Can be used with or without the base.

Details

Car seat:

  • For 4-32 lbs and 16”-30”
  • Car seat weight: 7.6 lbs (not including base)
  • UPF 50+ canopy and flip-out eye-shade
  • Side impact protection
  • Two-piece removable infant insert + head support
  • Five point harness
  • Colored indicators confirm correct installation of base
  • Commercial airplane certified
  • Machine wash seat pad; otherwise spot clean
  • Pine and Macaron are Babylist exclusive colors

Base:

  • Bubble-free install
  • Open belt path
  • Anti rebound panel
  • Automatic rigid latch storage; steel reinforced true lock rigid latch
  • Four position adjustable latch to reduce gap between vehicle seat and base
  • Locking 3-piece steel stability leg

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Q&A

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27 Questions
Is this FMV213A compliant?

Best Answer:  Yes, the Nuna PIPA rx Infant Car Seat with RELX Base complies with FMVSS 213 (Federal Motor Vehicle Safety Standard 213), which sets performance requirements for child restraint systems in the U.S. All car seats sold in the U.S., including the PIPA rx, must meet this standard to ensure safety.

Is the base compatible with nuna rava?

Best Answer:  No, infant car seats do not share bases with convertible car seats.

Is this FAA approved?

Best Answer:  This is FAA approved for aircraft use.

What is the difference between this one and the Nuna x Babylist PIPA aire rx + PIPA RELX base?

Best Answer:  The Aire RX car seat weighs over a pound less than the RX and is made of wool rather than jersey.

Is this car seat compatible with the Evenflo Gold Otto stroller? I would like to be able to use it with the stroller I already have.

Best Answer:  This car seat isn't compatible with the Evenflo Gold Otto stroller.

Does this work with the Nuna TRIV Next Stroller?

Best Answer:  This does work with the Nuna TRIV Next Stroller.

Is this compatible with Uppababy Vista 2?

Best Answer:  This car seat is totally compatible with the Uppababy Vista 2.

Is this car seat compatible with the jeep stroller wagon?

Best Answer:  This car seat isn't compatible with the Jeep stroller wagon.

Does this car seat need a base to lock in?

Best Answer:  The PIPA rx can be installed without a base using the belt path on the shell.

Is the car seat able to be used baseless as well?

Best Answer:  Totally! This car seat can be used with or without the base.

Customer reviews

27 Ratings
4.7out of 5
27 Ratings

Rated 5 stars by 89% of reviewers

Rated 4 stars by 0% of reviewers

Rated 3 stars by 4% of reviewers

Rated 2 stars by 4% of reviewers

Rated 1 star by 4% of reviewers

1-10 of 27 Reviews
Rated 5 out of 5
Beautiful car seat, incredibly easy install
My husband and I gave in and ordered this very pricey car seat after first trying out the Graco SnugRide SnugFit carseat. We started with the Graco because we figured the bells and whistles didn't matter as long as the car seat was safe. Well...the install with the Graco made our hands raw and slightly damaged the leather seat in our Porsche (that's where my husband drew the line lol). We went with the Nuna because the base install couldn't have been easier, and I hate to admit it (because I
Sep 15, 2025
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Rated 5 out of 5
Literally a Lifesaver
I got in a bad car accident with my little one: T-boned, all airbags deployed, the works. My 4-month-old did not have one bump, scratch, scrape, or bruise on her. She was even smiling for the paramedics. Needless to say I will be repurchasing this car seat again for my replacement and for all my future children too.
Jul 11, 2025
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Opens Media Viewer to photo submitted by Julia W
Easy to carry, stylish, works well with our vista. Piece of mind in regards to safety. Certainly expensive.
May 15, 2025
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Rated 5 out of 5
Exceeded expectations! Fantastic product!
Was between this and the UPPA, and I'm so glad we chose Nuna. Our baby feels so comfortable in this seat, and is very safe and secure. From a newborn size to almost six months old, it has transitioned well with him. 10/10! Will forever remain a Nuna mom!
May 8, 2025
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Rated 2 out of 5
poor quality fabric!
i absolutely love and adore the color however we have been using it for only 4 months and there is significant discoloration in the fabric. for the price i am highly disappointed in the quality.
May 7, 2025
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Opens Media Viewer to photo submitted by Lindsay F
10 out of 10, I’m in love
Oct 26, 2024
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Amazing car seat!!!! Such great quality. Even better in person than imagined
Sep 26, 2024
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Rated 5 out of 5
Worth the wait
I just got my car seat in the color pine after waiting for months. I absolutely adore the color, it’s definitely green in person (comes across as very grey in photos), but it does has grey unders tones. For me I wanted a little color, and this is definitely green, but it doesn’t scream obnoxious. It seems super stable, it’s nicely put together and light weight. I will say, it comes in a pretty big box that’s awkward to carry (even with a handle) so make sure you have someone to help you carry it in! No complaints so far!
Jun 21, 2024
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I received this as a baby shower gift and I love it. It is super soft, easy to install and carry in and out. Definitely would recommend as a new mama.
Apr 22, 2024
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I love how safe, secure, and stylish it looks, Nuna will always be my go to!
Jan 13, 2024
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