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{ "prodId": "5435949", "siteId": "BuyBuyBaby", "initOrigin": "https://www.buybuybaby.com" }
Britax

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Free Shipping on Orders Over $39

Grow With You is our newest Harness-2-Booster car seat. Easily transition from forward-facing harness mode to belt-positioning booster mode as your child grows from toddler to big kid.

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Britax® Grow With You™ Harness-2-Booster Car Seat in Dusk. View a larger version of this product image.
Britax® Grow With You™ Harness-2-Booster Car Seat in Dusk. View a larger version of this product image.
Britax® Grow With You™ Harness-2-Booster Car Seat in Dusk. View a larger version of this product image.
Britax® Grow With You™ Harness-2-Booster Car Seat in Dusk. View a larger version of this product image.
Britax® Grow With You™ Harness-2-Booster Car Seat in Dusk. View a larger version of this product image.
Britax® Grow With You™ Harness-2-Booster Car Seat in Dusk. View a larger version of this product image.
Britax® Grow With You™ Harness-2-Booster Car Seat in Dusk. View a larger version of this product image.
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Britax
Write Review
Free Shipping on Orders Over $39

Grow With You is our newest Harness-2-Booster car seat. Easily transition from forward-facing harness mode to belt-positioning booster mode as your child grows from toddler to big kid.

View Full Product Details Buying Guide
Free Shipping on Orders Over $39

Grow With You is our newest Harness-2-Booster car seat. Easily transition from forward-facing harness mode to belt-positioning booster mode as your child grows from toddler to big kid.

View Full Product Details Buying Guide
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Standard Shipping to 60601 60601
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details

about the product

Grow With You is our newest Harness-2-Booster car seat. Easily transition from forward-facing harness mode to belt-positioning booster mode as your child grows from toddler to big kid.
  • Trusted quality, upgraded design: Looking for Pioneer™? Grow with you is our newest Harness-2-Booster car seat
  • Forward-facing harness mode safely seats children 25 - 65 lb.
  • Belt-positioning booster mode safely seats children 40 - 120 lb.
  • Supports children up to 63" tall
  • Premium fabrics: Nap-friendly padding and fabrics for superior comfort & a quiet ride
  • More comfort: Soft comfort pads keep your child’s neck from rubbing against the harness strap
  • Surrounded in safety: 2 layers of side impact protection, steel frame, impact-absorbing base and forward movement reducing v-shaped tether
  • No rethreading, ever: 9-position, quick-adjust 5-point harness & headrest move together using one hand for the proper fit as your child grows
  • Premium, quick-push LATCH connectors for simple, secure installation
  • 2-position buckle can be moved outward to accommodate your growing child
  • Adjustable, 2-position seat recline
  • 4 integrated cup and snack holders keeps drinks and snacks close at hand
  • Easy-to-remove cover for cleaning without uninstalling the car seat or removing the harness
  • Built-in armrests
  • 75% polyester/25% nylon
  • Measures 21" L x 19" W x 25" H
  • Weighs 23 lb.
  • Certified for aircraft use in harness mode
  • 1-year limited manufacturer's warranty
  • Made in USA of U.S. and imported materials
  • Model E1C442F Pebble; E1C449H Dusk
  • skuId: 69395352

features

Side Impact Panels
SIP - side impact protection
Number of Recline Positions
2
Number of Head Rest Positions
9
Modes of Use
High back belt positioning booster, Forward-facing with harness
Car Seat Installation Type
LATCH system
Car Seat Harness Features
Harness storage pockets
Car Seat Features
Harness storage, Side impact protection
Car Seat Comfort Features
Adjustable recline, Cup holder
TSA Approved
Y
Warranty
1 year limited warranty
Made In
Made in USA of U.S. and imported materials

specifications

Product Height in
25
Product Depth in
21
Product Width in
19
Product Weight lb kg
23
Maximum Car Seat Height in
63
Minimum Car Seat Height in
34
High Back Belt Positioning Booster Maximum Height Capacity in
63
High Back Belt Positioning Booster Minimum Height Capacity in
44
High Back Belt Positioning Booster Maximum Weight Capacity lb
120
High Back Belt Positioning Booster Minimum Weight Capacity lb
40
Harnessed Booster Maximum Height Capacity lb
63
Harnessed Booster Minimum Height Capacity lb
44
Harnessed Booster Maximum Weight Capacity lb
120
Harnessed Booster Minimum Weight Capacity lb
40
Color
PEBBLE, DUSK
Part or Model Number
E1C442F, E1C449H

Accessories

accessories

shipping & returns

Please be aware we've temporarily extended our delivery time frames due to Covid 19 precautions at our facilities. The extended time frames will be reflected in the estimated delivery date shown at checkout.

Free Standard Shipping on Orders Over $39

Free Standard Shipping with any online purchase of $39 (merchandise subtotal excludes store pick up items; merchandise subtotal is calculated before sales tax, before gift wrap charges, and after any discounts or coupons). Truck delivery and shipping surcharges on over-sized or extremely heavy items will still apply (these charges are indicated on the appropriate product information pages and will be displayed in the shipping subtotal of your order). Orders typically arrive within 3-6 business days. Items shipped directly from the vendor or to Alaska and Hawaii have longer delivery lead times. This offer does not apply to Alaska, Hawaii, Puerto Rico or Business Direct orders.

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price match promise

We will match prices from our local retail competitors (including their online prices) and from major online retailers (Prices are not matched for marketplace sellers). buybuy BABY will follow any limitations and exclusions set by the competitor. See Details

Ratings & Reviews

Ratings Snapshot

4.423913043478261
92 reviews ·

Would Recommend

78 recommendations

5
49
4
35
3
7
2
0
1
1

Value

Features

Ease of Use

Style

Write A Review

Customer Reviews

Showing 8 out of 92 reviews

Filter

Sort

Difficult to tighten harness straps
Safety Mom ·
Recommended Not Recommended

We have had several Britax car seats. This one is disappointing. It is extremely hard to tighten down the the harness straps.


3

Value

Ease of Use


easy to install, easy to buckle up, fabric makes my daughter hot and sweaty
WK MOM ·
Recommended Not Recommended

We had the clicktight car seat and loved how secure the seat was when installed. The harness to booster with clicktight is no different. It's very secure when installed, doesn't even budge an inch. Easy for my daughter to put the straps on and then I can tighten them up. One negative is that the fabric and foam make her quite hot and sweaty. next time I will invest the extra bit of money and get the version that is cool fabric. Overall very happy with purchase.


4

Value

Ease of Use


Exchanged this one for clicktight
Jaclyn ·
Recommended Not Recommended

Great car seat but I was not confident in installation so I exchanged it for the more expensive click tight version. I’m glad I did because it is so much easier. Overall, it is probably a great car seat for the price but I think it was worth spending more to have click tight feature.



Love this seat immediately!
Monique A ·
Recommended Not Recommended

Just received my Harness-to-Booster seat, and it was VERY easy for me (grandma) to figure out and install. It came in a cool carseat-shaped box (genius), packaging was excellent. My cat likes it for a playhouse now. Surprised my 5 yo grandson with it today, and he absolutely loves it, said it's really comfortable. I'm looking forward to a few good years of use of this well-constructed product.


5

Value

Ease of Use


Perfect for my 4 year old granddaughter
Pam ·
Recommended Not Recommended

I bought this when she turned 4 for my car. Her parents are picky about car seats and they agree this is a good safe car seat . Will buy another one for my grandson when he turns 4 next year.



Great Seat, but I have some suggestions...
Grandma0823 ·
Recommended Not Recommended

Overall, I am happy with this car seat. It has good safety features and my grandchildren like the cup/snack/toy holders. This is the first car seat we've purchased where the grandbabies' heads don't hang down when they nap. However, as adjustable as this seat is, I would like to see the armrests be adjustable as well. It could also use more padding in the seat area for longer car trips.


4

Value

Ease of Use


Super Safe, Super Flexible
Bed Bath & Beyond Customer ·
Recommended Not Recommended

[This review was collected as part of a promotion.] I am a momma of three, but my oldest is only four (and a half) - years old, so the Grow With You Harness-2-Booster Car Seat is my first booster seat. And since it’s for my first baby, I was really looking for something safe and high quality, because it will likely be used by one (or more) of her younger siblings, too. Although my daughter’s forward-facing car seat that she used previously looks bigger and bulkier, I was surprised at how heavy the Grow With You Harness-2-Booster Car Seat is in comparison. It looks light, but I really appreciate that it has such good density. It makes me feel like it’s very sturdy and safe. (I guess it’s that steel frame!) When installing the car seat, I prefer to use the LATCH system, and was able to hook and unhook the booster seat easily into my car. My husband, however, prefers using the seat belt to install the booster seat. He really likes how you pull down the back part of the seat so you can see the seat belt while installing it. Many car seats make you go “blind” as you stick the seat belt through a hole near the bottom and try to pull it all the way through, but you have a full visual with this booster seat. And my daughter’s favorite feature is definitely the two cup holders and two snack holders! Although she usually uses them to stash toys that she brings with her in the car, not necessarily food and drink. Since I’ve only used it with my daughter for a few weeks, I haven’t needed to adjust the fit, besides initially setting it up (which I was able to do so easily), but since this grows with her until she weighs over 100 pounds, I am grateful that it is fully adjustable. Especially since this will probably be used by a younger sibling in the future, so my daughter can use it as a belt-positioning booster until she’s big, and then I can adjust it back to a five-point harness for a smaller, younger sibling. Although I received the Grow With You Harness-2-Booster Car Seat through the Stellar Product Testing Panel, I will buy another in the future for my second child (who will need one before my daughter grows out of it), and I highly recommend it to anyone else!


5

Value

Ease of Use


Great harness to booster seat!
Khudson612 ·
Recommended Not Recommended

[This review was collected as part of a promotion.] I loved trying out the Grow With You Harness-2-Booster Car Seat. It works great in harness mode with both my 6 year old who is 50 lbs and 46 inches and my 3 year old who is 37 inches and 38 lbs . It’s very easy to use , if they want to switch seats in the car all I have to do is adjust the head rest and adjust the straps a little bit, like most seats now the harness does not need to be rethreaded to switch positions. It will hold until 65 lbs in harness mode, although I think my kids will be too tall for the harness slots by then but they will be old enough for the booster mode which will hold until 120 lbs. You can install using LATCH or the seatbelt and it’s easy and quick to install using both methods. The kids favorite thing about the seat is the cupholders and little places to put their stuff. The cover is black and will be hard to stain. My kids say it’s very comfortable and it’s easy for them to buckle themselves and even tighten the straps after I adjust the headrest. This seat is pretty heavy but most of the combination car seats are. We have a couple of other Britax seats that are comparable to this and they’ve been very durable and this seems like it will be as well. Thanks to the Stellar Product Testing Panel for providing me with this Harness to Booster Seat!


5

Value

Ease of Use


Customer Reviews

92 reviews · ratings

Filter

Sort

Difficult to tighten harness straps
Safety Mom ·
Recommended Not Recommended

We have had several Britax car seats. This one is disappointing. It is extremely hard to tighten down the the harness straps.


3

Value

Ease of Use


easy to install, easy to buckle up, fabric makes my daughter hot and sweaty
WK MOM ·
Recommended Not Recommended

We had the clicktight car seat and loved how secure the seat was when installed. The harness to booster with clicktight is no different. It's very secure when installed, doesn't even budge an inch. Easy for my daughter to put the straps on and then I can tighten them up. One negative is that the fabric and foam make her quite hot and sweaty. next time I will invest the extra bit of money and get the version that is cool fabric. Overall very happy with purchase.


4

Value

Ease of Use


Exchanged this one for clicktight
Jaclyn ·
Recommended Not Recommended

Great car seat but I was not confident in installation so I exchanged it for the more expensive click tight version. I’m glad I did because it is so much easier. Overall, it is probably a great car seat for the price but I think it was worth spending more to have click tight feature.



Love this seat immediately!
Monique A ·
Recommended Not Recommended

Just received my Harness-to-Booster seat, and it was VERY easy for me (grandma) to figure out and install. It came in a cool carseat-shaped box (genius), packaging was excellent. My cat likes it for a playhouse now. Surprised my 5 yo grandson with it today, and he absolutely loves it, said it's really comfortable. I'm looking forward to a few good years of use of this well-constructed product.


5

Value

Ease of Use


Perfect for my 4 year old granddaughter
Pam ·
Recommended Not Recommended

I bought this when she turned 4 for my car. Her parents are picky about car seats and they agree this is a good safe car seat . Will buy another one for my grandson when he turns 4 next year.



Great Seat, but I have some suggestions...
Grandma0823 ·
Recommended Not Recommended

Overall, I am happy with this car seat. It has good safety features and my grandchildren like the cup/snack/toy holders. This is the first car seat we've purchased where the grandbabies' heads don't hang down when they nap. However, as adjustable as this seat is, I would like to see the armrests be adjustable as well. It could also use more padding in the seat area for longer car trips.


4

Value

Ease of Use


Super Safe, Super Flexible
Bed Bath & Beyond Customer ·
Recommended Not Recommended

[This review was collected as part of a promotion.] I am a momma of three, but my oldest is only four (and a half) - years old, so the Grow With You Harness-2-Booster Car Seat is my first booster seat. And since it’s for my first baby, I was really looking for something safe and high quality, because it will likely be used by one (or more) of her younger siblings, too. Although my daughter’s forward-facing car seat that she used previously looks bigger and bulkier, I was surprised at how heavy the Grow With You Harness-2-Booster Car Seat is in comparison. It looks light, but I really appreciate that it has such good density. It makes me feel like it’s very sturdy and safe. (I guess it’s that steel frame!) When installing the car seat, I prefer to use the LATCH system, and was able to hook and unhook the booster seat easily into my car. My husband, however, prefers using the seat belt to install the booster seat. He really likes how you pull down the back part of the seat so you can see the seat belt while installing it. Many car seats make you go “blind” as you stick the seat belt through a hole near the bottom and try to pull it all the way through, but you have a full visual with this booster seat. And my daughter’s favorite feature is definitely the two cup holders and two snack holders! Although she usually uses them to stash toys that she brings with her in the car, not necessarily food and drink. Since I’ve only used it with my daughter for a few weeks, I haven’t needed to adjust the fit, besides initially setting it up (which I was able to do so easily), but since this grows with her until she weighs over 100 pounds, I am grateful that it is fully adjustable. Especially since this will probably be used by a younger sibling in the future, so my daughter can use it as a belt-positioning booster until she’s big, and then I can adjust it back to a five-point harness for a smaller, younger sibling. Although I received the Grow With You Harness-2-Booster Car Seat through the Stellar Product Testing Panel, I will buy another in the future for my second child (who will need one before my daughter grows out of it), and I highly recommend it to anyone else!


5

Value

Ease of Use


Great harness to booster seat!
Khudson612 ·
Recommended Not Recommended

[This review was collected as part of a promotion.] I loved trying out the Grow With You Harness-2-Booster Car Seat. It works great in harness mode with both my 6 year old who is 50 lbs and 46 inches and my 3 year old who is 37 inches and 38 lbs . It’s very easy to use , if they want to switch seats in the car all I have to do is adjust the head rest and adjust the straps a little bit, like most seats now the harness does not need to be rethreaded to switch positions. It will hold until 65 lbs in harness mode, although I think my kids will be too tall for the harness slots by then but they will be old enough for the booster mode which will hold until 120 lbs. You can install using LATCH or the seatbelt and it’s easy and quick to install using both methods. The kids favorite thing about the seat is the cupholders and little places to put their stuff. The cover is black and will be hard to stain. My kids say it’s very comfortable and it’s easy for them to buckle themselves and even tighten the straps after I adjust the headrest. This seat is pretty heavy but most of the combination car seats are. We have a couple of other Britax seats that are comparable to this and they’ve been very durable and this seems like it will be as well. Thanks to the Stellar Product Testing Panel for providing me with this Harness to Booster Seat!


5

Value

Ease of Use


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