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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
sirona cybex s 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
4.2 ★★★★★
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Product Reviews
★★★★★ 5
The best sandals EVER
Size: 8, Color: White Khaki
These flip flops are so so so comfortable. I have bunions and a nerve problems so finding the right shoe is an issue for me. These are the most comfortable flip flops I have ever had the pleasure to wear. I cannot recommend enough how good and natural these feel. They are flexible yet supportive. So far on vacation they have walked miles with me and still in great condition. They are so naturally light weight. I will be buying again for sure
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Most comfortable flip flops ever! From day 1!
Size: 7.5, Color: White Khaki
These are hands down the most comfortable flip flops ever. There is no 'break-in' period. The fabric is so soft you forget it's there and it doesn't rub between your toes at all. By the second full day of wear, the foam was starting to conform to the contour of my feet. They feel and look great. The bottoms have a nice triangle tread pattern on them instead of being totally flat so I'm hoping they will still get traction on wet floors like pool areas etc. I got them after nearly doing a split again in my old ones that were a safety hazard poolside.
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Reviewed in the United States on May 22, 2026
★★★★★ 4
Nice flip flops
Size: 7, Color: Grey
Nice looking flip flops. They feel good and well made, but I've only worn them for a few hours. The material that goes over the feet is almost too stretchy. I hope they don't stretch out more. I have wide feet and these fit great, true to size. I like the grey color.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Comfortable and convenient
Size: 34, Color: Kangaroo
Got these to replace some old cargo shorts that aren't made anymore and are developing holes. So far I have been very pleased. The waist fits true to size and the fit is relaxed through the seat and thigh, which is exactly what I was looking for since I have somewhat stout thighs relative to my waist. I'm 6'0", about 200lbs, with a 34-35" waist. The material feels sturdy without being overly heavy, about as thick as old ripstop BDUs.
Front slash pockets are generously deep; no problem carrying a 5.5" smartphone in there. Rear pockets are sufficiently deep and are narrow enough that a trifold wallet won't turn itself sideways. Cargo pockets are adequately sized and have hook and loop closures at the corners. The "tech" pocket behind the left cargo pocket is very convenient for me, as I'm used to carrying my phone on that side. I can slide my Samsung Galaxy S25 in there and it fits well without worrying about it falling out.
I wore these for a couple of days at Disney World last week and they performed very well. Moving my phone to that tech pocket made rides with lap bars or belts much more comfortable. I even washed these shorts at the resort so I could wear them on the long drive home.
If I could change anything about them, I'd add about an inch of length, as I prefer a full 11" inseam on cargo shorts. And maybe add a button or some kind of closure to the rear pockets. But aside from that, these have been pretty close to perfect. I expect I'll order more as I replace more of my older cargo shorts.
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Great Shorts
Size: 38, Color: Grain Twill
Ok.... I have bought these several times, the shorts aren't wearing out or tearing, I am losing weight,.... I like these shorts so much, I keep buying them in my new size... Every size (44 42 40 and 38) has fit well, good length, and are comfortable... Pockets are functional, left side fits my smart phone... Yes, I will buy them again....
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Reviewed in the United States on May 16, 2026