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Description
cybex sirona car seat weight CYBEX Sirona T i-Size 360° Rotating Car SeatCYBEX Sirona T i Size 360 Rotating Toddler Car Seat Extended Rear Facing Convertible Car Seat Birth to 105cm (Approx. 4 Years) Experience the ultimate in safety and convenience with the CYBEX Sirona T i Size 360 Rotating Toddler Car Seat. This innovative convertible car seat combines extended rear facing protection with revolutionary 360 rotation, making every journey comfortable for your child and effortless for you from birth through to
CYBEX Sirona T i-Size 360° Rotating Toddler Car Seat
Extended Rear-Facing Convertible Car Seat - Birth to 105cm (Approx. 4 Years)
Experience the ultimate in safety and convenience with the CYBEX Sirona T i-Size 360° Rotating Toddler Car Seat. This innovative convertible car seat combines extended rear-facing protection with revolutionary 360° rotation, making every journey comfortable for your child and effortless for you from birth through to approximately 4 years.
What's Included with the Sirona T i-Size
Complete Car Seat Package:
- CYBEX Sirona T i-Size rotating car seat
- Newborn inlay for use from birth
- 12-position height-adjustable headrest
- Integrated Linear Side-impact Protection (L.S.P.)
- 5-position recline system
- 5-point safety harness with automatic adjustment
- Breathable comfort fabrics
- Machine-washable seat covers
- Detailed instruction manual
Please Note: The 360° rotating ISOFIX Base T is sold separately and is required for installation and rotation function. The Sirona T cannot be installed using a vehicle seat belt.
Key Features & Benefits
Full 360° Rotation
- Complete 360° rotation for effortless access (requires Base T - sold separately)
- Rotate to car door in rear-facing position for easy loading
- Switch to forward-facing and rotate for convenient access
- One-handed operation with smooth mechanism
- Click stops every 90° for secure positioning
- No back strain or awkward reaching
- Perfect for managing active toddlers in tight spaces
Extended Rear-Facing Safety
- Rear-facing from birth to 105cm (approximately 4 years)
- Up to 5 times safer than forward-facing for young children
- Protects developing neck and spine
- Reduces impact forces in frontal collisions
- Follows latest pediatric safety recommendations
- Extended protection during crucial development years
- Forward-facing option available from 76cm when appropriate
Birth to 4 Years in One Seat
- Suitable from birth with included newborn inlay
- Grows with your child to 105cm (approximately 4 years)
- No need to purchase multiple car seats
- Long-term investment in safety and convenience
- Seamless progression from infant to toddler
- Maximum value from single seat purchase
- Sustainable choice reducing waste
i-Size Safety Excellence
- Meets latest i-Size (R129) safety regulations
- Height-based sizing for accurate fit
- Enhanced side-impact protection standards
- Rigorous crash testing exceeds requirements
- ISOFIX installation with Base T ensures stability
- Engineered and tested in Germany
- ADAC tested and approved
Linear Side-Impact Protection (L.S.P.)
- Advanced energy-absorbing technology
- Reduces collision forces by up to 25%
- Adjustable side-impact protectors
- Protects head, neck, and upper body
- Extends automatically when installed on Base T
- Additional safety layer beyond standard requirements
- Premium protection in all seating positions
5-Position Recline System
- Five comfortable recline positions
- Suitable for sleeping and awake toddlers
- Easy one-hand recline adjustment
- Works in both rear and forward-facing modes
- Prevents head slump during naps
- Comfortable for long journeys
- Harness automatically adjusts with recline
12-Position Adjustable Headrest
- Grows with your child from birth to 4 years
- 12 height positions for perfect fit
- Integrated harness adjustment system
- One-handed operation for quick changes
- Ensures proper head protection at all stages
- No threading harness through slots
- Automatic harness height adjustment
Premium Comfort Features
- Breathable fabrics for temperature regulation
- Padded seat and harness for comfort
- Generous padding around head and body
- Soft-touch materials gentle on skin
- Available in Comfort and Plus fabric options
- Ergonomic design for proper posture
- All-season comfort for year-round use
Compatibility
Base Compatibility:
- ✅ CYBEX Base T - Required for installation (sold separately)
- ✅ CYBEX Base Z2 - Also compatible
- ❌ Cannot be installed with vehicle seat belt
- ❌ Not compatible with other bases
Part of T-Line Modular System:
- Use Base T with Cloud T i-Size (birth to 24 months)
- Continue using same Base T with Sirona T (birth to 4 years)
- Single base investment lasts from birth to 4 years
Vehicle Compatibility:
- ✅ All vehicles with i-Size seating positions
- ✅ Vehicles with ISOFIX anchor points and Base T
- ⚠️ Check vehicle compatibility list before purchase
Understanding Comfort vs Plus Fabrics
The CYBEX Sirona T i-Size is available in two fabric options:
Comfort Fabric
- Premium polyester fabric
- Soft, comfortable seating surface
- Excellent breathability
- Machine washable at 30°C
- Available in 2 colourways
- Excellent quality at accessible price point
Plus Fabric (Premium Option)
- Advanced 3D mesh fabric inserts
- Enhanced breathability for superior comfort
- Reduces humidity and prevents moisture buildup
- Ideal for warmer climates or summer babies
- Available in 5 premium colourways
- Typically £30-40 more than Comfort version
- Machine washable at 30°C
Safety & Guidelines
Safe Use Recommendations:
- Suitable from birth (45cm) to 105cm (approximately 4 years)
- Maximum height: 105cm
- Requires Base T or Base Z2 for installation
- Rear-facing recommended until at least 15 months (legal minimum)
- Extended rear-facing to 105cm strongly recommended for safety
- Forward-facing from 76cm onwards (when developmentally appropriate)
- Always use 5-point harness
- Regular safety checks of all components
- Never use without proper base installation
Rear-Facing vs Forward-Facing:
- Rear-facing (birth to 105cm): Up to 5x safer in crashes
- Forward-facing (76-105cm): Available when child ready
- Extended rear-facing strongly recommended by safety experts
- Child can rear-face comfortably with legroom
i-Size Regulations:
- Complies with ECE R129 (i-Size) standards
- Height-based rather than weight-based sizing
- Mandatory extended rear-facing requirements
- Enhanced side-impact protection
- ISOFIX installation required
Perfect For
- Parents wanting maximum safety with extended rear-facing
- Families seeking birth-to-4-years single seat solution
- Those with Base T continuing from Cloud T i-Size
- Active toddler parents needing rotation convenience
- Safety-conscious families prioritising crash protection
- Parents with back issues benefiting from rotation
- Design-conscious buyers wanting premium aesthetics
- Long-term value seekers avoiding multiple seat purchases
Technical Specifications
- Safety standard: ECE R129 (i-Size)
- Age/Height range: Birth (45cm) to 105cm (approximately 4 years)
- Rear-facing: Birth to 105cm
- Forward-facing: 76cm to 105cm
- Installation: ISOFIX with Base T or Base Z2 (sold separately)
- Rotation: Full 360° with Base T
- Side-impact protection: Linear Side-impact Protection (L.S.P.)
- Headrest positions: 12 adjustable heights
- Recline positions: 5 positions (rear and forward-facing)
- Harness: 5-point with automatic adjustment
- Weight: Approximately 8-9kg (seat only)
- Origin: Designed and engineered in Germany
Why Choose the CYBEX Sirona T i-Size?
- Birth to 4 Years: Single seat from newborn to preschooler - maximum value
- 360° Convenience: Revolutionary rotation in rear and forward-facing modes
- Extended Rear-Facing: Up to 5x safer protection to 105cm
- i-Size Safety: Latest safety standards with rigorous crash testing
- German Engineering: Premium quality and innovative design
- L.S.P. Technology: Advanced side-impact protection reduces forces by 25%
- Part of Modular System: Use with existing Base T from Cloud T i-Size
- 12-Position Headrest: Grows perfectly with your child
- 5 Recline Positions: Comfort for sleeping and awake toddlers
Care & Maintenance
- Remove and machine wash covers at 30°C
- Wipe plastic shell with damp cloth
- Check Base T connection regularly
- Inspect harness for wear before each use
- Clean buckle with soft brush if needed
- Never use bleach or harsh chemicals
- Air dry all fabrics - do not tumble dry
- Regular safety inspection of all components
- Store instruction manual with seat
Extended Rear-Facing: Why It Matters
The Science of Safety:
In a frontal collision (70% of serious accidents), forces are distributed differently:
Forward-Facing Child:
- Head thrown forward with extreme force
- Immature neck and spine vulnerable to injury
- Harness must restrain entire body weight
- Higher risk of head and spinal injuries
Rear-Facing Child:
- Impact forces spread across entire back
- Car seat shell protects head, neck, and spine
- Body supported by seat during collision
- Up to 5 times safer in crashes
Why Extended Rear-Facing to 105cm?
- Child's neck not fully developed until age 4-6
- Muscles and ligaments still strengthening
- Head proportionally larger and heavier
- Maximum protection during crucial growth
- International safety experts recommend
- Swedish standard (world's safest) promotes extended rear-facing
Common Concerns Addressed:
- ✅ Legroom: Children comfortable with bent legs
- ✅ Car sickness: No higher risk rear-facing
- ✅ View: Many children prefer rear-facing
- ✅ Developmental: Rear-facing doesn't hinder development
The Sirona T makes extended rear-facing easy with 360° rotation access and multiple recline positions.
From Cloud T to Sirona T: Seamless Transition
Your T-Line Journey:
Stage 1: Birth to 18-24 Months
- Use Cloud T i-Size on Base T
- 180° rotation for infant convenience
- Travel system compatibility with pushchair
- In-car recline function
Transition Time: 18-24 Months
- Child approaches 87cm height limit for Cloud T
- Purchase Sirona T i-Size
- Remove Cloud T from existing Base T
- Click Sirona T onto same Base T
- No reinstallation needed
- Immediate 360° rotation benefit
Stage 2: 18 Months to 4 Years
- Extended rear-facing to 105cm
- Full 360° rotation convenience
- 12-position headrest grows with child
- Forward-facing option when appropriate
- Use until approximately age 4
The Base T Advantage:
- Install once, use for 4 years
- No learning curve with new base
- Consistent safety and convenience
- Maximum value from single base
- Sustainable choice
Available Colourways
Comfort Fabric Colours (2 options):
- Sepia Black - Sophisticated deep black
- Mirage Grey - Contemporary neutral grey
Plus Fabric Colours (5 options):
- Leaf Green - Fresh, modern green
- Platinum White - Clean, elegant white
- Peach Pink - Soft, gentle pink
- Mirage Grey - Neutral grey with enhanced breathability
- Sepia Black - Deep black with premium mesh inserts
All colourways feature CYBEX's signature premium construction and coordinate beautifully with the T-Line system and CYBEX pushchairs.
Why Parents Choose Sirona T Over Competitors
vs Standard Convertible Seats: ✅ 360° rotation (most don't rotate at all) ✅ Extended rear-facing to 105cm (many stop at 90cm) ✅ Part of modular system (use same base as infant seat) ✅ German engineering standards ✅ L.S.P. technology superior to basic seats
vs Other Rotating Seats: ✅ Part of T-Line system (base continuity) ✅ Premium fabric options ✅ 12-position headrest (more than competitors) ✅ 5 recline positions ✅ Proven CYBEX safety reputation ✅ Aesthetic design premium
vs Budget Options: ✅ Superior crash test results ✅ Rotation prevents daily back strain ✅ Premium materials last through multiple children ✅ Higher resale value ✅ Peace of mind worth investment
The CYBEX Difference
CYBEX doesn't just meet safety standards - they redefine them. As pioneers of rotating infant carriers (since 2018) and extended rear-facing advocates, CYBEX combines German engineering precision with real parent needs.
Innovation Leadership:
- First rotating infant car seat (2018)
- Advanced L.S.P. side-impact technology
- Modular system thinking
- Award-winning designs
Safety Excellence:
- Exceeds minimum requirements
- Independent crash test winner
- Real-world accident analysis
- Continuous improvement philosophy
Design Philosophy:
- Function drives form
- Parent-centric features
- Premium materials standard
- Aesthetic without compromise
Experience the perfect combination of extended rear-facing safety, 360° convenience, and birth-to-4-years value with the CYBEX Sirona T i-Size - where German engineering meets modern parenting.
Requires Base T or Base Z2 (sold separately). i-Size approved (birth to 105cm). 360° rotation. Extended rear-facing. Premium German engineering. Read more at cybex-online.com
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
This 1944 classic recounts the fatal flaws of market liberalism that led to the Great Depression and World Wars I & II
Format: Paperback
The Great Transformation: The Political and Economic Origins of Our Time. Karl Polanyi. 1944.
In 1944, the opposing monumental classics, The Road to Serfdom by Friedrich Hayek and The Great Transformation by Karl Polanyi, were published. From the right, Hayek argued that market liberalism led to prosperity, political liberty, and prevention of authoritarian governance. From the left, Polanyi argued that the rise of market liberalism during the industrial revolution led to intolerable hardship, inevitable unsustainable countermeasures, and finally collapse into fascism, the Great Depression, and World Wars I and II.
Since their publication during World War II, these markedly opposed ideas have now been tested by seventy years of history. For the first thirty years after the war, policies reflecting Polanyi’s ideas led to a mixed economy of government policies and regulated markets in the US, northern Europe, and elsewhere that produced robustly increased prosperity broadly shared at all income levels. For the next forty years, ascendency of Hayek’s ideas led to reduction of the role of government with attendant economic instability, rising inequality (with all economic gains going to the rich in the US), and coercive imposition of market liberalism by authoritarian governments with disastrous results throughout Latin America and the former Soviet Union. Given the adverse consequences of resurgent market liberalism, the rebuttal of its ideas in The Great Transformation is as important today as ever.
In The Great Transformation, Polanyi maintains that before the industrial revolution, markets did not play an important role in human society—they were embedded in society rather than the other way around. Goods and services were generally distributed without the motive for profit by the non-market mechanisms of reciprocity according to social relations, centralized storage with redistribution, and production for one’s own use known as householding. When present, the role of markets was peripheral and subordinate to politics, religion, and social relations.
The industrial revolution brought about an almost miraculous improvement in the tools of production accompanied by catastrophic dislocations of the lives of the common people, of which poverty was merely the economic aspect. During this time, English thinkers created the theory of market liberalism, which radically reversed the previous subordination of markets to society by removing the role for government so that society was instead subordinated to self-regulating markets (without government interference).
This change required that human labor, nature, and money be turned into commodities that could be bought and sold without regard to human and social considerations. Efficient functioning of markets also required callous indifference to the social dislocation, poverty, and damage to nature that resulted and even to hunger as a motivating factor for the working class. This change from regulated to self-regulating markets that organized the whole of society on the principle of gain and profit marked a great transformation of the nature of society by the removal of democratic control of markets.
The goals of this transformation were unrealistically utopian and could never be achieved without annihilating the human and natural substance of society. Even during its installation, laissez-faire proved to be a myth. Government action was mandatory to adjust the supply of money and credit, to enforce provisions for labor and land, and to prevent political disruption. Even with this level of government activity, market liberalism still imposed unsustainable hardships on ordinary people from speculative excess, growing inequality, competition from imports, depressions, unemployment, poverty, and reduced entitlement to assistance.
By the late 1800s, these impossible pressures of the self-regulating market necessarily led to a countermovement in industrialized nations to protect their societies from the market. This countermovement included protectionism for national markets and competition for colonies to take resources from other societies. In exotic and colonial regions with the absence of protective measures unspeakable suffering resulted. Thus Polanyi characterizes market societies as having two opposing movements, referred to as a “double movement.” These two contradictory movements resulted in simultaneous struggles to expand the scope of the market because of the opportunities for some and to limit the scope of the market because of the adverse consequences for many.
These internal contradictions led to disruptive stresses and strains that were unsustainable for market societies. In the domestic economy, class conflict resulted from issues like the choice between inflation for stability of workers incomes and employment and deflation for stability of currency for investors. Market liberals from Spencer to Mises held that popular democracy was a danger to capitalism and that workers should not have the right to vote. In the international economy, relentless shocks imposed by the gold standard forced nations to consolidate around heightened national and imperial boundaries. In international politics, intensified political, military, and economic rivalries finally culminated in World War I.
By this time, the class struggle over market liberalism was at an impasse. For a critical decade, economic liberals supported authoritarian intervention in service of their deflationary policy to protect currency exchange and investment. This merely weakened the democratic forces that might otherwise have averted the fascist catastrophe. During the Great Depression, the gold standard finally collapsed, foreign debts were repudiated, capital markets and world trade dwindled away, and the global political and economic system disintegrated. In a second great transformation of society that followed, the replacements of market society by fascism, socialism, and the New Deal were similar only in discarding laissez-faire principles. The conflict between the market and the elementary requirements of an organized social life had ultimately destroyed society. World Wars I and II merely hastened its destruction.
In 1944, Polanyi appears to have regarded the utopia of market liberalism as utterly discredited. He expressed the hope that the passing of market economy could become the beginning of an era of unprecedented freedom. He noted that freedom as the absence of power and compulsion as claimed by market liberals is not possible in a complex society. The function of power is to ensure the measure of conformity which is needed for the survival of the group: its ultimate source is opinion.
Regulation both extends and restricts freedom; only the balance of freedoms lost and won is significant. The comfortable classes enjoy the freedom provided by leisure in security. They resent the suggestion to spread out income, leisure, and security to extend to others the freedom they enjoy. Obviously, those who lack security cannot enjoy the same freedom as the comfortable classes. Those who want more freedom for all need not fear that either power or planning will undermine their freedom. Regulation and control in a complex society strive to give us all the security we need to achieve freedom not only for the few, but for all.
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Reviewed in the United States on July 22, 2017
★★★★★ 5
Must read for contemporary (and all) times.
Format: Paperback
This is a great book. I wonder why we were not taught this in the freshman year, or at least as a counterpoint to Econ101. It opens up the perspective to seeing culture, economics, politics, and technology in an integrated way with an emphasis on social choesion as a unifying fabric for humanity and, looking for the right rate of economic reform. Much of what we do as "development" can in fact be harmful in the long (also short) run if we are not sensitive to the premises Polanyi is alerting us to. This is not counterpoint or counterfactual thesis per se. I am a strong proponent of the market system and also realize that this system is subsumed and must be complementary to the larger, complex social system where things are interconnected. An effective policy can only result from the collective consideration of these together. Polanyi's writing style is clear, direct, and simple and, unlike deeply nomenclature-intense economics write-ups, this book is rather an easy read. When we prescribe/teach The Industrial Revolution as an essential or secondary reading, The Great Transformation should also be a companion reading.
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Reviewed in the United States on September 6, 2013
★★★★★ 5
Read!
Format: Paperback
Well, I was going to review this wonderful work. However, Robert Moore's review is so spot on that there is really no need to take up more space. Also I need a nap. Anyway, this book is truly fascinating. If you are at all interested in Political Economy, this is perhaps one of the most important books you will ever read. There is no school which has the authors name attached to it, nor is there a political movement dedicated to the realization of his ideas. In most cases this is because the author did not contribute original thought or make an adequate connection of his thought process with reality. In Polanyi's case, this is because the originality of his thought cuts through the specialized form in which science and social studies is presented today and cannot possible be claimed to belong to 'economics' any more than it can of 'sociology', 'anthropology', 'history', 'international relations', etc..
Read this book.
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Reviewed in the United States on July 3, 2009
★★★★★ 5
Understanding the Market vs Government influence
Format: Paperback
A must read.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2025
★★★★★ 5
Great book!
Format: Paperback
We read this story as a class read aloud after we read the first Sprinkles and the Unicorn book. They noticed similar characters, and loved the story line. They’re begging me to buy the whole series of this and all the other books! I can’t read them fast enough.
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Reviewed in the United States on January 20, 2026