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Kinderkraft car seat COMFORT UP 2 PLUS i Size-Gray
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Pay by Humm UKInstalled with the car seat belt, 3-in-1 - seat with insert for a little one, for a preschooler and a booster for an older child
Kinderkraft car seat COMFORT UP 2 PLUS i Size-Gray
Get everyday flexibility with a seat that keeps up with real family life. Whether mornings are rushed or plans change on the go, the COMFORT UP 2 PLUS is designed to make every journey simpler. This versatile 3-in-1 i-Size car seat grows with your child from toddler to pre-teen, offering comfort, safety, and quick installation whenever you need it. With its lightweight design and intuitive belt routing, switching between cars or heading out in a hurry becomes stress-free—so you can focus on the journey ahead.
Features:
Suitable for children from 76 to 150 cm
3-in-1 design: toddler seat, high-back booster, and booster seat
Grows with your child from approx. 15 months to 12 years
Easy installation using vehicle seat belt (no ISOFIX required)
Universal belt-routing path for all height ranges reduces installation errors
5-point harness for younger children distributes impact forces safely
Converts to booster mode for children above 140 cm
12-position EASY GROW SYSTEM headrest adjustment
Adjustable backrest angle (up to 10°) for better fit in different cars
Wide, comfortable seat with ergonomic shaping
AIR FLOW SYSTEM enhances ventilation for added comfort on warm days
Belt guides double as armrests for improved seating comfort
Lightweight design for easy transfer between vehicles
Removable, washable cover for easy cleaning
Specifications:
Height range: 76–150 cm
Installation: Vehicle seat belt
Regulation: UN R129 (i-Size compliant for booster mode 100–150 cm)
Functions: Toddler seat, high-back booster, booster seat
Weight: Lightweight for portability
A practical, all-in-one solution that adapts as your child grows—bringing comfort, safety, and simplicity to every ride.
Car Seat Groups:
Car seats are categorised into the following groups, and it is imperative that a category is chosen so that the child's weight or height, depending on the regulation chosen, falls within the range indicated:
Group | Child's weight* | Approx. age of child | Suitable For | Child's height† |
|
0+ | Birth up to 13kg/29lb | Baby | 40 - 85cm |
| |
0+ & 1 | Birth up to 18kg/40lb | Baby | 40 - 105cm |
| |
0+, 1, 2 & 3 | Birth-36kg/79lb | Baby-Toddler-Child | 40 - 150cm |
| |
1 | 9-18kg/20-40lb | Toddler | 85 - 105cm |
| |
1 & 2 | 9-25kg/20-55lb | Toddler-child | 85 - 125cm |
| |
1, 2 & 3 | 9-36kg/20-79lb | Baby-Toddler-Child | 85 - 150cm |
| |
2 & 3 | 15-36kg/33-79lb | Toddler-Child | 105 - 150cm |
|
*Applies to R44.04 seats. † Applies to iSize seats.
Note: some car seats will be approved in two or more groups. This just means that these seats have the ability to adapt as your child grows, meaning they can use them for longer.



































