Maxi-Cosi Romi 2-in-1 Convertible Car Seat, Infant vs Safety 1st Crosstown Slim All-in-One Convertible
Updated August 2026 — Maxi-Cosi Romi 2-in-1 Convertible Car Seat, Infant wins on width, Safety 1st Crosstown Slim All-in-One Convertible wins on weight and height.
The Safety 1st Crosstown offers more versatility and a lower price, making it a better long-term investment for families.
Why Maxi-Cosi Romi 2-in-1 Convertible Car Seat, Infant is better
Lightweight
Weighs just over 9 lbs.
Eco-Friendly
Made from 100% recycled materials.
Travel-Friendly
Includes a hands-free carrying strap.
Why Safety 1st Crosstown Slim All-in-One Convertible is better
Versatility
3-in-1 functionality as a booster seat.
Space-Saving
Slim design fits 3 across in back seat.
Higher Weight Limit
Forward-facing up to 65 lbs.
Overall score
Specifications
| Spec | Maxi-Cosi Romi 2-in-1 Convertible Car Seat, Infant | Safety 1st Crosstown Slim All-in-One Convertible |
|---|---|---|
| Price | $149.99 | $129.99 |
| Rear-Facing | 5-40 lbs | 5-40 lbs |
| Forward-Facing | 30-50 lbs | 30-65 lbs |
| Booster Mode | No | Yes |
| Machine Washable | Yes | Yes |
Dimension comparison
Overview of the Maxi-Cosi Romi and Safety 1st Crosstown
The Maxi-Cosi Romi 2-in-1 Convertible Car Seat is priced at $149.99, while the Safety 1st Crosstown Slim All-in-One Convertible Car Seat is available for $129.99, making it about 17% cheaper than the Romi. Both car seats are designed to accommodate children from infancy through their toddler years, offering features that promote safety and comfort during travel.
The Romi stands out for its lightweight design, weighing just over 9 lbs., making it one of the lightest convertible car seats on the market. In contrast, the Crosstown provides a 3-in-1 functionality, serving as a rear-facing seat, forward-facing seat, and booster seat, which enhances its longevity and versatility.
Design and Comfort
In terms of design, the Maxi-Cosi Romi emphasizes lightweight portability, which is beneficial for families who frequently travel. Its EcoCare fabric, made from 100% recycled plastic bottles, not only promotes sustainability but also offers a soft and breathable experience for the child. The plush PureCosi fabrics are designed without added fire retardants, enhancing comfort and safety.
The Safety 1st Crosstown, however, features a slim design measuring 17 inches wide, allowing it to fit three across in most back seats. This space-saving design is ideal for families with multiple car seats or for those who often have extra passengers. The Crosstown also boasts an 8-position headrest and a one-hand adjustable harness, making it easier to adjust as your child grows.
Safety Features
Safety is paramount in any car seat, and both the Maxi-Cosi Romi and Safety 1st Crosstown meet or exceed federal safety standards. The Romi is engineered to meet the federal Side Impact standard, ensuring enhanced protection during collisions. It also provides an adjustable head pillow for newborns, which adds an extra layer of support and safety.
On the other hand, the Crosstown excels with its 3-in-1 functionality, which allows it to transition from a rear-facing car seat (5–40 lbs.) to a forward-facing car seat (30–65 lbs.) and finally to a belt-positioning booster seat (40–100 lbs.). This adaptability not only ensures safety but also extends the useful life of the seat, making it a long-term investment for parents.
Installation and Portability
The Maxi-Cosi Romi is designed for easy travel, with a convenient hands-free carrying strap that transforms into a top tether. This feature makes it easy to transport the car seat between vehicles or while traveling. The 1-click LATCH system further simplifies installation, allowing for a secure fit in various vehicles.
Conversely, the Safety 1st Crosstown features easy-to-access belt paths that facilitate quick installation. Its base foot adjusts to transition smoothly from rear-facing to forward-facing positions, ensuring that parents can switch modes without hassle. Overall, both car seats prioritize user-friendly installation, but the Romi's lightweight design gives it an edge in portability.
Cleaning and Maintenance
When it comes to cleaning, both car seats offer machine-washable fabrics for easy maintenance. The Maxi-Cosi Romi's PureCosi materials can be removed and are both machine-washable and dryer-safe, making it simple for parents to keep the seat clean. Additionally, the Romi includes a removable dishwasher-safe cup holder, enhancing its convenience for on-the-go families.
The Safety 1st Crosstown also prioritizes ease of cleaning with a machine-washable seat pad that is dryer-safe. It comes equipped with two removable, dishwasher-safe cup holders, making it equally practical for young children who may spill drinks or snacks. In this category, both seats shine, but the Romi's emphasis on eco-friendly materials gives it a unique advantage.
Age and Weight Range
The Maxi-Cosi Romi is designed to accommodate children from 5 to 50 lbs, with rear-facing support for infants (5–40 lbs) and forward-facing support for toddlers (30–50 lbs). This range is suitable for most children during their early years, but it may have a shorter lifespan compared to other options.
In contrast, the Safety 1st Crosstown supports a broader weight range, serving as a rear-facing car seat (5–40 lbs), forward-facing car seat (30–65 lbs), and booster seat (40–100 lbs). This versatility allows parents to use the Crosstown from infancy through approximately 10 years of age, making it a more economical choice for families looking for longevity in a car seat.
Price Comparison
The Maxi-Cosi Romi is priced at $149.99, while the Safety 1st Crosstown is available for $129.99. This makes the Crosstown about 17% cheaper than the Romi, which could be a significant factor for budget-conscious buyers. Despite the price difference, both seats offer a range of features that cater to safety and comfort, making the choice dependent on specific needs and preferences.
The Crosstown's additional functionality as a booster seat may justify its price point for families looking for a long-term solution. However, those who prioritize a lightweight and eco-friendly option may find the Romi worth the additional cost.
Which should you buy?
Choosing between the Maxi-Cosi Romi 2-in-1 Convertible Car Seat and the Safety 1st Crosstown Slim All-in-One Convertible Car Seat ultimately depends on your specific needs. If you are looking for a lightweight, travel-friendly option with eco-friendly materials, the Romi is an excellent choice. However, if you need a more versatile, long-term solution that offers additional safety features and space-saving design, the Crosstown would be the better option. Both seats excel in safety and comfort, but the Crosstown's broader weight range and lower price make it a compelling option for families.

