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Description
cybex sirona s forward facing installation 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
4.8 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Warm and Cozy
Size: Adult, Style: Solid, Color: Grey
Bought the adult version in grey for my little brother for Christmas. He absolutely loves it! He wears the thing all the time. He sleeps in it, plays computer games while wearing it, and lounges around the house in it. When washing and drying the washer is fine but I recommend letting it air dry or putting it on tumble dry to prevent the white cotton from bunching up to keep it soft. It is very soft, a good weight, good quality, and size. He does not use the robe tie. My brother is 6 foot and the pocket hangs low but is really big. The pocket is durable—He puts our house cat in the pocket and carries her around in it. He loves this Snuggie and was so excited to get it for Christmas.
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Reviewed in the United States on February 28, 2026
★★★★★ 5
Buy it!!! Long, soft, warm winter perfection! ( updated after wear)
⚠️ WARNING ⚠️ You'll want to hibernate all winter in it ! 😆
I'm a 5'10" female and THIS THING IS LONG ENOUGH! (If you're tall, you'll understand why I yelled that part lol) I bought the oversized option. It grazes the top of my feet without dragging the ground, which is literally perfect. 👌
It comes vacuum sealed, so pop it in the dryer when you get it to fluff it up. It is so incredibly soft both inside and out, but particularly so on the inside. Its large enough to be fully dressed underneath, but when you feel the softness & warmth - you probably wont want to be.
I wasn't sure about the cuffed sleeves, but once I put it on I realized how much better they are than the open type sleeves of another brand I ordered. They allow you to retain 100% function while wearing a blanket, essentially keeping it from getting in your way.
I purchased this bc I'm always cold, and also because it just looked so comfortable. It did not disapoint on either front. It's heavy without feeling weighted , and warm without making me sweat.
I opted for the tan / beige option, and it was pretty close to the photo color wise. In person the fabric has a tiny bit of sheen/ reflectivity that almost gives it a slight gold tint in some light. Overall though, true to color.
Seriously, I think this thing might be perfect. I plan to order additional colors before word gets out and they sell out lol
*EDIT TO UPDATE***
Ive been wearing these things all winter ( yes, I purchased another lol) and after repeated wear and washing I will say that they DO lose a little fluff on the faux shearling side (the inside) and the edges have begun to shed a tiny bit. I've been wearing them A LOT though, we're talking about a dozen runs thru laundry at least... not something that happened immediately. And honestly, it wasn't to the point that I noticed it much... until the next one arrived and reminded me how much fluffier they start off lol I would still buy it... just a small update with wear update worth noting.
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Reviewed in the United States on December 5, 2024
★★★★★ 5
Love it!
Very comfy and warm. It’s soft and fuzzy and I love it.
I will say I’m not a huge fan of the Sherpa fabric at the bottom, not because it’s not soft, just because this material, in general, seems to easily get bits of stuff stuck in it. The snuggie is slight too long (I’m 5’4) so it touches the ground sometimes and it will pick up sticks and grass and food material. I live on a farm and even if I did nothing but vacuum all day there would still be stuff on the floor and I don’t have time to vacuum all day! So, I dislike the Sherpa material going all the way down and folding like it does at the bottom. However, I’ve been extra careful with this one, and I’ve been able to physically pick any debris caught in it. I am contemplating actually cutting it and re-sewing it ever-so-slightly shorter with the outer material folded and sewn inward instead of the internal Sherpa fabric folded outward.
Apart from that, it’s roomy, and I actually like the hood, which I didn’t think I would. The pocket is nice sized and also lined with Sherpa fabric. I don’t actually use the pockets to keep my hands warm but more like a kangaroo pouch to transport things like my phone, book/Kindle, or snax as I’m walking with my hands full.
I travel with this thing because I’m always cold and it’s amazing. I fly with it. Yeah, I don’t care if I’m wearing this in public at the airport/on a plane, you know why? Because I’m cozy! Flight delayed? Oh, I’ve got my wearable blanket, I’m gonna nap in comfort! 😝 Airplane AC on Arctic Blast? Ha! I’m in an impenetrable cocoon of warmth and with the hood up, you can’t see me, mouth agape, as I sleep so attractively in public. You couldn’t handle seeing me that hot anyway, I’m doing you a favor! 😂
Oh, also, I took it to the hospital with me (because hospitals are basically morgues) so I washed it on hot to sanitize it. It didn’t shrink or ruin it at all, it’s fine.
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Reviewed in the United States on September 9, 2024
★★★★★ 5
Snuggly.
Size: Standard, Style: Solid, Color: Light Green
Well made, accurate color, very warm and roomy, cosy to wear. Very pleased with product. I will be warm this winter! Took about 10 days to ship, then longer to arrive as international. I’ve ordered another and it shipped within a couple of days this time. I reccomend.
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Great Buy! Nice robe!
Size: Oversize, Style: Solid, Color: Grey
I love this robe. I bought it for myself as a Christmas present ( 2024) and it’s the best robe I have ever had. It’s soft, warm, long, and very comfortable. I’ve washed it several times over the past year and it still maintains its same quality, looking and feeling as brand new.
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Reviewed in the United States on December 16, 2025