Graco Nautilus 2.0 3-in-1 Harness Booster Car Seat, Kara
Graco Nautilus 2.0 3-in-1 Harness Booster Car Seat, Kara
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Graco Nautilus 2.0 3-in-1 Harness Booster Car Seat, Kara

Key item features

  • Graco Nautilus 2.0 3-in-1 Harness Booster Car Seat, Kara
  • 3-in-1 harness booster helps protect your child from toddler to big kid
  • Grows with your child from forward-facing harness (26.5-65 lb) to highback booster (40-100 lb) to backless booster (40-120 lb)
  • No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together in one motion
  • Featuring an updated, sleeker design for a more modern look
  • Steel-reinforced frame provides strength and durability for 10 years of use
  • 4-position recline helps keep your growing child comfy
  • One-hand, 10-position adjustable headrest grows with your child
  • 2 easy-to-clean cup holders keep your child's drinks and snacks close at hand
  • Open-loop belt guides help properly position your vehicle’s seat belt, while the hook latch secures the booster seat in its place
  • Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your child in frontal, side, rear, & rollover crashes
  • EPS, energy-absorbing foam for effective impact management
  • Rigorously crash tested to meet or exceed US safety standards
  • Be sure to check your local and state laws, as well as AAP and NHTSA recommendations, for car seat usage
  • In addition to meeting or exceeding all applicable US safety standards, the Nautilus 2.0 has been side-impact tested for occupant retention solely with the built-in 5-point harness system
Current price is $189.99
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Customer ratings & reviews

4.8 out of 5 stars
stars379 ratings299 reviews
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Reviews summary

Pros

  • : Most users find setup and securing straightforward.
  • : Seat design provides ample room for kids.
  • : Fits comfortably in various vehicles.
  • : Simple adjustments and installations are facilitated by it.
  • : Has a five-point harness for secure protection.
  • : Attaches securely to vehicle.
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Showing 1-3 of 299 reviews

May 11, 2026
Walmart customer
5 out of 5 stars review

Seller Verified Purchase

We love it! Super easy install!

[This review was collected as part of a promotion.] We moved to this when my kiddo moved to forward facing, as I didn't like the way our old seat installed forward. It was super easy to put together, and even easier to install! So easy, I uninstalled it and reinstalled it just to show my friend how easy it is! The harness moves super smooth, and adjusts nicely. My kiddo loves this seat. She's super excited that she has armrests like mommy. 100% recommend! Will be getting a second one when our next child moves to forward facing!

Review from gracobaby.com
Helpful?24V2Y80UDAGN1866459825
Apr 2, 2026
Liz T
5 out of 5 stars review

Seller Verified Purchase

Nice looking, easy to install and use, lightweight

[This review was collected as part of a promotion.] This is a comfortable, sleek, safe high back booster seat for my growing kiddo - we already have 3 other carseats from Graco and this is the best looking one so far. We are moving her from the harness to the seatbelt and this made it so easy. When my younger one is forward facing, we will be happy to use this seat on him too!

Review from gracobaby.com
Helpful?24V2Y80UDAGN1866459825
May 15, 2026
Josie26
5 out of 5 stars review

Seller Verified Purchase

Perfect for kids

[This review was collected as part of a promotion.] I bought this for my daughter who prefers stationary car seats over the swiveling ones. It was incredibly easy to install and is very solid and comfortable. It wasn't too expensive, either.

Review from gracobaby.com
Helpful?24V2Y80UDAGN1866459825