Chicco MyFit 2-in-1 Harness Booster Car Seat, vs Safety 1st Grow and Go Flex 8-in-1 Car Seat
Updated August 2026 — Chicco MyFit 2-in-1 Harness Booster Car Seat, wins on max weight and weight, Safety 1st Grow and Go Flex 8-in-1 Car Seat wins on length and width.
The Chicco MyFit offers a budget-friendly, standalone car seat with excellent safety features, while the Safety 1st Grow and Go Flex provides versatile configurations for growing children.
Why Chicco MyFit 2-in-1 Harness Booster Car Seat, is better
Price
Chicco MyFit is $45 cheaper than Safety 1st.
Safety
Chicco MyFit features Advanced Side Impact Protection.
Installation
Chicco MyFit has a simpler installation process.
Why Safety 1st Grow and Go Flex 8-in-1 Car Seat is better
Versatility
Safety 1st offers 8 configurations.
Storage
Safety 1st has an extra-large storage basket.
Infant Use
Safety 1st accommodates infants from 4 lbs.
Overall score
Specifications
| Spec | Chicco MyFit 2-in-1 Harness Booster Car Seat, | Safety 1st Grow and Go Flex 8-in-1 Car Seat |
|---|---|---|
| Safety Rating | Meets standards | Meets standards |
| Harness Type | 5-point | 3-point |
| Recline Positions | 4 | 3 |
| Headrest Positions | 9 | 5 |
| Foldable | No | Yes |
Dimension comparison
Price Comparison
The Chicco MyFit 2-in-1 Harness Booster Car Seat is priced at $239.99, while the Safety 1st Grow and Go Flex 8-in-1 Car Seat Stroller Combo costs $284.99. This means that the Chicco MyFit is about 17% cheaper than its competitor. When considering budget constraints, this price difference may be a significant factor for parents looking for a reliable car seat without breaking the bank. Although the Safety 1st option offers additional features with its stroller integration, the Chicco MyFit provides a solid standalone car seat at a more accessible price point.
Design and Versatility
The Chicco MyFit is designed as a 2-in-1 car seat that transitions from a 5-point harness car seat to a high back booster, accommodating children weighing between 26.5 to 100 lbs. In contrast, the Safety 1st Grow and Go Flex offers an 8-in-1 configuration, including options for a carriage, infant car seat, and stroller, which enhances its versatility for various stages of a child's growth. While both products cater to safety and comfort, the Safety 1st’s multiple configurations may appeal to parents seeking a comprehensive travel system. The Chicco, however, excels in offering a streamlined design that fits easily in the backseat without compromising space, making it ideal for families with multiple children.
Safety Features
Safety is paramount in car seat selection, and both the Chicco MyFit and the Safety 1st Grow and Go Flex meet or exceed federal safety standards. The Chicco MyFit boasts Advanced Side Impact Protection (ASIP), ensuring enhanced safety during side collisions. The Safety 1st also emphasizes safety, featuring reflective trim on the stroller for improved visibility. While both car seats focus on providing a safe travel experience, the Chicco MyFit’s ASIP could provide parents with additional peace of mind, particularly for those concerned about side-impact accidents.
Installation Ease
Ease of installation is crucial for busy parents, and both the Chicco MyFit and the Safety 1st Grow and Go Flex offer user-friendly installation features. The Chicco MyFit utilizes premium LATCH connectors and a LockSure belt-tightening system that simplifies the installation process. Additionally, it includes RideRight bubble levels and a ReclineSure leveling system to ensure a proper fit. Conversely, the Safety 1st Grow and Go Flex allows for easy stowing with three folding modes, aiding in transport and storage. Both products are designed for convenience, but the straightforward installation process of the Chicco MyFit may appeal more to parents looking for a hassle-free setup.
Comfort and Adjustability
When it comes to comfort, the Chicco MyFit features a high back booster with a 9-position headrest and a 4-position recline, while the extra deep, contoured ErgoBoost seat provides dual-density foam padding for a comfortable ride. On the other hand, the Safety 1st Grow and Go Flex includes cozy knit cushions for added comfort in its rear-facing car seat. The Chicco’s adjustable features allow it to adapt to a growing child, enhancing its usability over time. Although both seats prioritize comfort, the Chicco MyFit's extensive adjustability may provide a more tailored experience for children as they grow.
Storage and Portability
The Safety 1st Grow and Go Flex shines in its storage capabilities, featuring an extra-large basket, a parent tray with two cup holders, and a child tray with a cup holder that accommodates a sippy cup. This makes it a practical choice for parents on the go, as it provides ample space for essentials during outings. Meanwhile, the Chicco MyFit is designed with space-saving features, including CupFolders that fold away when not in use, allowing for a more compact fit in the backseat. While the Safety 1st offers more integrated storage solutions, the Chicco MyFit focuses on portability without sacrificing child comfort.
Target Age Range
The Chicco MyFit is suitable for children aged 2 years and up, accommodating weights from 26.5 to 100 lbs. In contrast, the Safety 1st Grow and Go Flex is designed for infants as young as 4 lbs and can support children up to 50 lbs in its stroller mode. This makes the Safety 1st a more suitable option for parents needing an infant car seat that grows with their child. However, the Chicco MyFit targets older children, emphasizing long-term use as they transition from a harness to a booster seat. Depending on a family’s age range, this distinction can be a crucial factor in deciding which product to purchase.
Which should you buy?
Both the Chicco MyFit 2-in-1 Harness Booster Car Seat and the Safety 1st Grow and Go Flex 8-in-1 Car Seat Stroller Combo present compelling options for parents. If you prioritize a budget-friendly, standalone car seat with exceptional safety features and comfort, the Chicco MyFit is the more appealing choice at $239.99. However, if you seek versatility with multiple configurations for a growing child, including an infant car seat and stroller combination, the Safety 1st is worth the higher price of $284.99. Ultimately, your decision should align with your family's specific needs, whether that’s a focus on safety, budget, or the desire for a comprehensive travel system.

