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Description
cybex sirona accessories Cybex Sirona S SensorSafe Convertible Car Seat – Twinkle Twinkle Little OneThe CYBEX Sirona S is the ONLY convertible car seat to feature a 360 swivel seat with a load leg, linear side impact protection, and SensorSafe technology. Built into the chest clip, SensorSafe provides real time in app alerts when potentially unsafe situations arise including 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. These features offer advanced
The CYBEX Sirona S is the ONLY convertible car seat to feature a 360° swivel seat with a load leg, linear side impact protection, and SensorSafe technology. Built into the chest clip, SensorSafe provides real-time in-app alerts when potentially unsafe situations arise including 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. These features offer advanced safety protection for children and greater peace of mind for parents.
- ONE-HAND 360° SWIVEL SEAT: For easy loading and unloading of your child
- LOAD LEG: Absorbs energy and reduces crash forces on the child by up to 30% in a front impact collision*
- ONE-TIME VEHICLE BELT INSTALLATION: Allows seamless transition from rear-facing to forward-facing mode without having to re-install
- EASYLOCK™ BAR: Reduces force needed up to 4x for quick, simple and secure installation
- 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
- 12-POSITION ON THE FLY RECLINE: Adjust even when the seat is in use
- LINEAR SIDE-IMPACT PROTECTION (L.S.P.): Reduces collision forces by up to 25% in a side impact crash*
- ANTI-REBOUND BASE: Reduces rebound forces in a rear or front impact crash
- REAR-FACING LONGER: Up to 50 lbs.
- MAGNETIC BUCKLE HOLDERS: Keeps harness out of the way for easy loading and unloading of your child
- DISHWASHER SAFE CUP HOLDER: Can be positioned on either side of seat
- 12-POSITION ADJUSTABLE HEADREST: Harness adjusts with the headrest for a proper fit as your child grows
- DUAL-LEVEL INDICATORS: Clearly indicate the proper car seat angle from either side of the seat
- STEEL REINFORCED FRAME: Provides strength and durability
- 3-POSITION PADDED BUCKLE: Allows for a secure fit while providing extra comfort for your growing child
- REMOVABLE INFANT INSERT: Ensures proper fit and support for babies
*As compared to the same car seat without this feature
Usage
- Child Age Minimum: newborn
- Child Age Maximum: 8 years
- Child Weight Minimum: 4 lbs.
- Child Weight Max: 65 lbs.
- Rear-Facing Mode Weight Limitation: 4-50 lbs.
- Rear-Facing Mode Height Limitation: 17"-49"
- Forward-Facing Mode Weight Limitation: 22-65 lbs
- Forward-Facing Mode Height Limitation: 28-49 in
- Forward-Facing Mode Age Limitation: at least 22 lbs
- Forward-Facing Mode Fit Limitation: top of ears below the top of the headrest
Specifications
- Dimensions: 24.5"D x 19"W x 25.5"H
- Weight: 30.4 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 24 reviews
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Product Reviews
★★★★★ 5
Buen producto
Size: 4.5 Wide Big Kid, Color: Navy/Blue
Recomendado, acorde a la talla y muy cómodos para correr.
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Reviewed in the United States on January 9, 2026
★★★★★ 5
Comfortable Girls shoes
Size: 3 Wide Little Kid, Color: Pink
Cute and came as expected. Daughter loved them.
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Reviewed in the United States on July 2, 2025
★★★★★ 5
No tying necessary
Size: 1 Little Kid, Color: Fuchsia, Size: 1 Little Kid, Color: Fuchsia
I ordered a kids size 1 for my child, and so far, I’ve been really happy with these shoes.
Here’s what I like:
✅ Stylish design and comfortable fit. My daughter loves wearing these.
✅ They don’t show scuffs or scratches easily.
✅ The color is what I expected from the item pictures and it’s really cute.
✅ The Velcro straps make these easy to get off and put on.
✅ There’s a piece of Velcro on the tongue to help keep it in place. Really smart.
✅ The seams have not pulled apart and overall, these seem to be really well made.
They have offered good support for my child’s feet, and a shoe that my child can put on by themselves is a win for me!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Durable girls sneakers
Size: 1 Little Kid, Color: Fuchsia, Size: 1 Little Kid, Color: Fuchsia
These Saucony girls sneakers in fuchsia are great. The design and coloring are fun and vibrant and the cushioning on the insole is good with just enough bounce. The material and construction seem durable. The Velcro strap secures in two places so you get a snug fit without the shoe “tongue” moving around.
The sizing seems true to size. Overall these are a very solid, comfortable and functional pair of sneakers. $47, the current price, is about the price for similar products these days.
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Reviewed in the United States on May 24, 2026
★★★★★ 4
Great shoes but seem to run bigger than other styles of Saucony
Size: 4 Wide Big Kid, Color: Navy/Pink
We pretty much stick with one or two brands. I have a kiddo with wide feet, who recently wore out her size 3 wides (big kid) in another pair of Saucony shoes, but she was also right at the end of the shoe, so I went with a whole size up. She picked these. The size 4's are enormous, so we had to pick another style in a 3.5w, as these didn't have 1/2 sizes and will hold on to these for fall. I picked up another brand in 4W that actually fit really well now, but they are not as heavy duty as these. I'm hoping the next style in a 3.5 isn't too small. Love these shoes, but the sizing on them feels less and less predictable. Compared to most shoes I have always had to size down in these, but now even between styles in their brand.n
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Reviewed in the United States on May 15, 2026