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Weighing in at 9 lbs., the Cybex Aton 2 is one of the lightest infant car seats on the market offering easy car transfer and carrying. The load leg base stabilizes the car seat and can reduce crash forces while the Linear Side-impact Protection System (L.S.P) absorbs up to 25% more impact forces in a collision when compared to the same car seat without L.S.P. extended.
Ultra-lightweight: weighs only 4 kg (9 lbs.) for easy carrying and installation
Linear Side-impact Protection System: absorbs up to 25% more impact forces in a collision
Load Leg Base: stabilizes the car seat and can reduce crash forces
SensorSafe Technology: Bluetooth enabled chest clip sends mobile app alerts if a child unbuckles the chest clip, if the back seat becomes too warm or too cold, and if the driver unintentionally leaves the child behind
Use from 1.8 kg to 15.9 kg (4 lbs. to 35 lbs.) and 43 cm to 76.2 cm (17 in. to 30 in.) tall
XXL sun canopy with a UPF 50+ rating to protect baby from the sun’s rays
Removable newborn insert provides support from 4 to 11 lbs.
Travel system ready with Cybex strollers using car seat adapters

It has everything
Pros:1. Safety Features: – SensorSafe Technology: Provides real-time notifications through the car seatâs chest clip, alerting parents if a child unbuckles or if the car gets too hot or cold. This feature adds an extra layer of security and peace of mind. – Load Leg Base: The load leg helps to reduce rotational forces during a crash, enhancing overall safety. It stabilizes the base, improving the seatâs performance in the event of a collision2. Lightweight Design: – The car seat is designed to be ultra-lightweight, making it easier to carry and handle. This is especially beneficial for parents who need to transport the seat frequently.3. Slim Fit: – Its slim profile allows for a better fit in smaller vehicles or tight spaces, and it can accommodate three across in some vehicles, which is ideal for families with multiple car seats.4. Comfort: – The Aton 2 offers a high-quality, cushioned seat that provides comfort for infants. It includes an adjustable harness and a removable newborn inlay to ensure a snug and comfortable fit as the baby grows.5. Ease of Installation: – The base features a straightforward installation process with a belt tensioning system that helps secure the car seat properly. The load leg further stabilizes the installation, making it more secure.6. Design and Aesthetics: – The Lavastone Black color is stylish and modern, complementing many car interiors. The overall design of the car seat is sleek and visually appealing.Cons:1. Price: – The Cybex Aton 2 is on the pricier side compared to some other infant car seats. The advanced features and technology come with a higher cost, which might be a consideration for budget-conscious families.2. Size of the Base: – Although the car seat itself is slim, the base may still take up a significant amount of space in smaller vehicles. This might limit the amount of room available for other passengers or car seats.3. SensorSafe Technology: – While SensorSafe is a great feature, it requires a smartphone to utilize the full range of notifications and alerts. Parents who prefer not to use their phone for such notifications may find this less convenient.4. Weight of the Base: – Although the car seat itself is lightweight, the base with the load leg can be relatively heavy and bulky. This might be less convenient for parents who need to frequently move the base between vehicles.5. Compatibility: – The Cybex Aton 2 may not be compatible with all stroller systems without additional adapters. This could be a drawback for parents looking for a seamless travel system.6. Harness Adjustments: – Some users report that adjusting the harness can be cumbersome. Ensuring a perfect fit might require extra effort and time.Conclusion:The Cybex Aton 2 Slim Fit Ultra Lightweight Infant Car Seat with SensorSafe Technology is a highly advanced and safety-focused car seat that offers great features like the SensorSafe technology and a load leg base. Its lightweight and slim design make it a good choice for families with limited space or those looking for a more portable option. However, its higher price and the bulkiness of the base may be considerations for some buyers. Overall, itâs a solid choice if you prioritize safety and comfort and are willing to invest in these features.
Good but very expensive
The top cover is horrible, almost wanted to throw the whole thing out. Otherwise, just a good car seat! Better than most but not all:) Iâd buy a different one next time!
Excellent infant car seat!
This Cybex Aton 2 infant car seat is feature loaded! This is my first experience with a Bluetooth enabled feature which they brand as SensorSafe and it definitely adds an extra layer of protection by alerting caregivers if unsafe conditions arise, such as a child being left in the seat, the harness being unbuckled, or dangerous temperature levels.Pros:- Lightweight and Portable: At only about 9 lbs, this baby seat is easy to carry though not the lightest in the market. Still the relatively lightweight makes it ideal for parents who frequently switch the seat between vehicles or need a car seat that’s travel-friendly.- Slim Fit Design: The seatâs has a pretty narrow profile which makes it perfect for smaller cars or situations where you need to fit multiple car seats across a row or have a full car. Itâs compact without compromising on space for your baby.- Safety Features: In addition to SensorSafe, the seat boasts Linear Side-Impact Protection (L.S.P.), which absorbs impact forces, and an âenergy-absorbing shellâ that further enhances crash safety. I am confident in entrusting my child in this seat.- Comfort for Baby: The seat comes with a removable infant insert (for weights between 4-11 pounds), ensuring a snug fit for newborns and growing with them as they grow up to 35lbs. The padded harness and cozy materials keep your little one comfortable during rides.- Easy to buckle in: I found it very easy to get my kid buckled in and out of this seat compared to some others.- Ease of Installation: Installation is straightforward to the car making it easy to move between cars.- Compatible with Cybex strollers: This car seat is compatible with any Cybex stroller meaning that itâs easy to transfer from the car to stroller with ease.Cons:Price: This car seat falls into the premium category, which may be a consideration for budget-conscious buyers.Limited Longevity: While perfect for infants, it has a lower weight limit (up to 35 lbs), meaning it will need to be replaced as your child grows.
Fits in small car with tall people
Fits in my tiny corolla. So that’s a win.I dislike the crappy sunshade and that the handle isn’t really ergonomic. But beyond that it works and my baby is comfortable. Also find that the tightness strap sometimes sticks and you really have to haul on it.
Light compared to others, great if you have invested in the Cybex system
The Cybex Aton 2 infant car seat is a great car seat if you are invested in the platform including the baby carriage and other available accessories. The big win is that you can go from car to stroller without having to take your baby out of the car seat which is why investing in a single brand for car seats + stroller makes sense.Another win for this car seat is the Bluetooth functionality with adds some basic smart safety features to this car seat which makes sense! The car seat will notify you if your child is left in the seat, if the harness is unbuckled, or temperature gets to dangerous levels. All reminders are good to have and work with your phone so you will get a notification at the front of your car when the seat is in the back.From a design view the seat is lighter than many others that can hold kids up to 35 pounds like this one. The narrow profile still gives good room and padding for your baby while also giving back a little extra room for adults in smaller cars. I have a bit of experience with these seats so it was very easy to get in to the car + secure and buckling up the little dude was also straight forward.Overall I’m happy to recommend the Cybex Travel System. The Car Seat is very well made with top quality materials and build, I do appreciate the narrow profile, light weight, and smart features that the seat offers.Makes a great gift for yourself or for someone expecting a new addition to the family!