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Description
cybex sirona s dimensions CybexThe Callisto G 360 Select is engineered for safety from day one through the booster years. Featuring our SafetyAssure Protection System, its 37% safer in a crash*with a reinforced steel frame, Anti Rebound Base with SecureFix360 Tether, and Linear Side Impact Protection. Effortlessly rotate the seat 360 in any recline position for smooth ins and outs, and enjoy the convenience of our SafeLock One Time Installation Systemdesigned to secure the seat in
The Callisto G 360 Select is engineered for safety from day one through the booster years. Featuring our SafetyAssure Protection System, it’s 37% safer in a crash*—with a reinforced steel frame, Anti-Rebound Base with SecureFix360 Tether, and Linear Side-Impact Protection.
Effortlessly rotate the seat 360° in any recline position for smooth ins and outs, and enjoy the convenience of our SafeLock™ One-Time Installation System—designed to secure the seat in seconds.
Accommodating children from 4 to 65 lb. in harness mode and up to 120 lb. as a booster, the Callisto G 360 Select is built to grow with your child and protect every mile of the journey.
Features:
- 37% SAFER IN A CRASH*: The SafetyAssure Protection System features a reinforced steel frame, Anti-Rebound Base with SecureFix360 Tether, and Linear Side-Impact Protection.
- 360° ROTATION: Rotate the seat toward the car door for easy boarding. Works in multiple recline positions, rear and forward-facing.
- INSTALLATION IN SECONDS: SafeLock System simplifies setup—just tether, route, click, and go for a secure, worry-free fit.
- ALL-IN-ONE CONVERTIBLE SEAT: Grows with your child from rear-facing to forward-facing to booster—built to last from birth to around age 10.
- REDUCES REBOUND MOVEMENT: The Anti-Rebound Base and SecureFix360 Tether work together to limit seat movement and absorb crash forces in both rear and forward-facing positions.
- EXTRA PROTECTION IN THE EVENT OF A SIDE COLLISION: Linear Side-Impact Protection helps manage crash forces and reduce the impact on your child.
- FIRE-RETARDANT CHEMICAL-FREE FABRIC: Made with naturally flame-resistant fabrics that meet federal safety standards—without added chemical treatments.
- GREENGUARD GOLD CERTIFIED: Ensures lower chemical emissions, contributing to healthier air quality around your child.
- GROWS WITH YOUR CHILD: 12-position adjustable headrest with no-rethread harness ensures a secure fit as they grow, while the infant seat pad provides proper support up to 11 lb.
- AIRFLOW FOR A MORE COMFORTABLE RIDE: In-shell air ventilation with a perforated shell promotes airflow to help keep your child cool and comfortable.
- EASY ACCESS FOR DRINKS AND SNACKS: Integrated, removable cup holders are dishwasher-safe for hassle-free cleaning.
- CLEAN-UP MADE SIMPLE: Machine-washable fabrics make it easy to handle spills, crumbs, and everyday messes.
*Based on head and chest injury metrics as compared to the same seat without these features
Specifications
- Usage: Birth to 120 lbs
- Car Seat Dimensions: 21.7"L X 19.5"W X 25.5"H
- Car Seat Weight: 33.5 lbs
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 985 reviews
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Product Reviews
★★★★★ 5
Great pillow for side sleepers!
Size: Standard 20"x28", Number of Items: 2
I bought these pillows at first because I wanted to try out the “coolness” of them (I live in a place with no AC). They’re definitely not cold, but they do a good job of regulating the heat on particularly hot/stuffy nights.
But my favorite thing about these by far is the support! I’m a side sleeper, and these are just the right amount of firm to tuck between your shoulder and neck that keeps your neck in a good position all night, while still soft and comfy for your head! I’ve been sleeping on them for about 2 months now and they have maintained their shape really well. Definitely recommend!
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Reviewed in the United States on July 5, 2022
★★★★★ 4
Great Pillow with Minor Inconvenience
Size: Body 20"x54", Number of Items: 1
When i got this pillow I wasn't sure if I was going to like it or not. It is not inherently lumpy like I thought it was going to be. It molds to you as you use it every night but resets as memory foam is meant to. My only issue with it is when it is packaged thru gold the pillow in half then roll it and vacuum seal it. Where that fold was there is a lot less fluff and no matter what I do I cannot seem to redistribute the fluff to even it out. Otherwise it's a great body pillow
Edit:
Still can't get the fold out if the pillow no matter what i do but I still really like the pillow. My mother just got the same one and she does not have any issues with the fold line. I am keeping my review as 4 stars but it really is an awesome pillow
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Reviewed in the United States on November 9, 2025
★★★★★ 5
I Sleep Hot and This Is The Only Pillow Ive Tried that Stays Cool!
Size: Queen 20"x30", Number of Items: 1
We have a closet full of pillows. I have tried a bunch from cheap to expensive, Sleep Number to Kohls. I sleep really hot, but I bought this pillow and it is crazy how cool it feels. If I get too warm and want it cooler I flip it over. I was doubtful but now Im sold. I winter in Arizona and Im buying one of these for out there as well. It's firm but fluffy soft. Great support for a side or back sleeper. Maintains its shape, the filling is cut up foam pieces of some sort but its super comfortable. I have not washed it as it had no foam odor, and I was able to use it right away. I definitely recommend this. Great pillow!
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Reviewed in the United States on August 1, 2025
★★★★★ 5
Forget the traditional big pregnancy pillows, get one of these!
Size: Body 20"x54", Number of Items: 1
I’m in the 2nd trimester of pregnancy and I’m having a hard time getting comfortable in bed or waking up without pain. I got a big U-Shaped pregnancy pillow but it was awful. It was fluffy, but offered 0 support and firmness. Also the stuffing made me so hot!
I decided to try this and I’m soooo glad I did! The memory foam means it actually has some support and firmness to it and it stays pretty cool. It is heavy, but it’s worth it. I put it between my legs and hug the pillow with a 2nd pillow behind my back for extra support. I can ACTUALLY sleep in my bed again! And I don’t wake up with pain and stiffness. Highly recommend if the traditional pregnancy pillow isn’t working for you.
Make sure you let the foam rise for 72hrs. Apparently there may be an odor after opening it, but I haven’t noticed anything or it already dissipated. (I also didn’t actually wait the 72hrs but had no issues)
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Reviewed in the United States on March 14, 2023
★★★★★ 3
Very soft and squishy vs supportive
Size: Queen 20"x30", Number of Items: 2
These have really nice cooling fabric on one side. The other is a soft cottony fabric. They are very squishy. Not firm at all. I prefer a thicker supportive pillow that doesn’t completely collapse when you lay your head on it. I chose to purchase additional gel infused memory foam shreds to add stuffing to the pillows. I used a five pound bag of the shreds between the four new pillows I bought. I wish that wasn’t necessary. I did end up with nice , cooling, supportive pillows in the end though.
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Reviewed in the United States on March 4, 2026