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Safety 1st

Safety 1st Crosstown Slim All-in-One Convertible Car Seat, Deep Sea

  • Based on 3,181 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Feb 17
Order within 22 hours and 42 minutes
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Color: Deep Sea


Style: Crosstown Slim


Features

  • GROWS WITH YOUR FAMILY The Safety 1st Crosstown Slim All-in-One Convertible Car Seat is designed for birth to 10 years: rear-facing (540 lbs., 19"40"), forward-facing harness (3065 lbs., 34.4"49"), and belt-positioning booster (40100 lbs., 43.4"52").
  • FIT 3 ACROSS THE BACK SEAT Our comfortable convertible car seat features a slim 17 design that fits 3 across the back seat of most cars, or creates more space for passengers.
  • ADJUST WITH 1 HAND The easily adjustable harness and 8-position headrest help you keep up with growth spurts, providing multiple positions to ensure a proper fit and comfort. All without the need to rethread the harness as you make changes to the height.
  • ENJOY SMOOTH TRANSITIONS Easy-to-access belt paths keep car seat installation simple and quick, allowing you to get a secure fit, while the base foot adjusts quickly to transition from rear-facing to forward-facing.
  • ADDITIONAL FEATURES YOULL LOVE 2 removable, dishwasher-safe cup holders. Machine-washable and dryer-safe seat pad for easy cleaning. Meets or exceeds federal safety standards.

Description

The Crosstown Slim All-in-One Convertible Car Seat is made to be with you for years, comfortably fitting your little one from birth to 10 years with 3 modes of use: rear-facing (5–40 lbs., 19"–40"), forward-facing harness (30–65 lbs., 34.4"–49"), and belt-positioning booster (40–100 lbs., 43.4"–52"). Its ultra- slim 17" design is a space-saver you’ll welcome as it allows for 3 across the back seat of most cars. The 1-hand adjustable harness and 8-position headrest ensure the proper fit and keep your little one comfy, all without the need to rethread the harness during adjustments.

Brand: Safety 1st


Installation Type: Latch


Material: Polyester


Color: Deep Sea


Orientation: Forward Facing, Rear Facing


Product Dimensions: ‎20 x 17 x 20 inches


Item model number: ‎CC400HMN


Minimum weight recommendation: ‎2.5 Kilograms


Maximum weight recommendation: ‎100 Pounds


Minimum height recommendation: ‎19 Inches


Maximum height recommendation: ‎52 Inches


Material Type: ‎Polyester


Style: ‎Crosstown Slim


Number of reclining positions: ‎8


Batteries required: ‎No


Orientation: ‎Forward Facing, Rear Facing


Rear-facing minimum child weight: ‎5 Pounds


Rear-facing maximum child weight: ‎40 Pounds


Forward-facing minimum child weight: ‎30 Pounds


Forward-facing maximum child weight: ‎65 Pounds


Harness type: ‎5-Point


Item Weight: ‎14 pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Feb 17

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Learn more about financing & leasing here.

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Top Amazon Reviews

    • Baby seat
Review Image by Julio Julio
This baby seat has been an excellent purchase. The installation was very simple thanks to the clear instructions and the anchoring system, which remained firm from the first attempt. The quality of the materials and the feeling of security it offers give me a lot of peace of mind. My baby travels comfortably, the padding is soft and breathable, and the harness fits well without hurting. In addition, I liked that the seat has several reclining positions, which allows the baby to go more relaxed on long journeys. Another point in favor is that the cover can be easily removed to wash it, something very practical with small children. In short, a safe, comfortable product with very good value for money. I totally recommend it to parents who seek tranquility and comfort on every trip. ... show more
Reviewed in the United States on September 26, 2025 by Julio Julio
    • Affordable, Easy to Set up/Adjust, Quality
Color: Deep Sea Style: Crosstown Slim
First time car seat owner. I bought it so I can pick up my little niece from daycare. Setup was easy, seemingly comfortable, good quality, and easy to adjust for the baby's growth. My sister (her mother) has an expensive car seat which is not nearly as easy to adjust for growth. This one should be good for infants up through little kids. Baby loves the cupholders. Great deal! ... show more
Reviewed in the United States on November 4, 2025 by Brandon Fish
    • Pass
My baby loves it she sleeps in it so comfortably and the quality is so good as well the straps are tight so the car set won’t move anywhere!!!
Reviewed in the United States on January 28, 2026 by Stephany Ambrosio
    • good fit for my tacoma
Color: Deep Sea 2 Style: Crosstown Slim
I put these in my tacoma and they fit well forward facing. when my 2YO boy is in there with me i only need to lean my seat slightly forward (which i should do anyway for my posture) but still comfortable for me @ 6'1". easy in & out
Reviewed in the United States on January 19, 2026 by THOM
    • Durable car seat & priced right
Color: Deep Sea Style: Crosstown Slim
Good car seat. Got on Deal Days for 1/2 the price. Doesn't fit too well in my Civic because I have sloped seats. Put seat in a different spot in backseat and it did not shift.
Reviewed in the United States on November 22, 2025 by Jennifer Macias
    • 5 Stars – Perfect Car Seat for First-Time Grandma! ⭐⭐⭐⭐⭐
As a first-time grandma, I wanted to make sure I had everything ready to keep my grandbaby safe and comfortable during visits. My daughter-in-law recommended the Safety 1st Crosstown DLX All-in-One Convertible Car Seat, and I couldn’t be happier with this choice! It’s been over two years now, and this car seat has truly exceeded my expectations. It’s incredibly versatile, transitioning seamlessly from rear-facing for infants to forward-facing and eventually a booster as my grandbaby grows. The padding is plush and soft, ensuring a cozy ride every time. I also love how easy it is to adjust the straps and recline positions—it takes the guesswork out of setup! What really impressed me is how simple it is to clean. The cover comes off without any hassle, and it’s machine-washable, which is a lifesaver for those unexpected messes. This car seat has given me so much peace of mind as a grandma. I know my little one is safe, secure, and comfortable whenever we’re on the road. Highly recommend it to other grandparents (or parents) looking for a reliable and long-lasting car seat! ... show more
Reviewed in the United States on November 24, 2024 by Patricia
    • Great seat
Car seat fits greats in my car. It’s compact enough that I can keep my front seats comfortably but only when the seat is in the middle back seat. It’s a comfortable feeing seat for sure, looks great, baby doesn’t cry when riding in it which was an issue in her baby bucket seat…it’s easy to adjust the height of harness and the tightness of straps! We don’t use the shoulder pads right now as I had to take them off to get a proper fit for my little one when we first started to use the seat and she’s still on the smaller side for them…rear facing I love the seat recline adjustments it has-it’s got more than 1 spot that can be used which I love so much more than seats that don’t have that. The seat was so easy to instal it took me less than 5 mins to have a perfect instal and I didn’t have to fight it to get it in tight at all which shocked me. Sometimes to adjust the harness tightness I do fight with it-but not usually… The seat fabric is really cute and has held up amazing so far. It isn’t stained at all even after we had a blow out poop diaper and throw up happen in the car…which impressed me not gunna lie…I did not enjoy removing the cover of seat to wash it however and it was painful to put back together but it was doable… The crotch strap has 3 diff spots to adjust it to baby which I like…the instructions for the smallest size is confusing I’m glad we didn’t need to set it up that small…baby is now 19 pounds and 22 inches long and fits in the seat super comfortably she’s a little chunky girl and the width leaves her with more space than she needs which is why we upgraded her before she was sitting unsupported to a convertible seat rear facing as her bucket seat was way to narrow for her! ... show more
Reviewed in the United States on January 31, 2024 by Andi&Glen
    • Easy cleaning and grows with her
Started using this when she was two. I love that the cup holders come out because they always end up so dirty, so it makes for easy cleaning. It’s great that it grows with her.
Reviewed in the United States on January 4, 2026 by Celeste Bloom

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