---
product_id: 543093279
title: "Comfort UP Car Seat, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Infant, Group 1/2/3, 9-36 Kg, Up to 12 Years, Black"
brand: "kinderkraft"
price: "$155.78"
currency: USD
in_stock: true
reviews_count: 13
category: "Kinderkraft"
url: https://www.desertcart.us/products/543093279-comfort-up-car-seat-i-size-booster-child-seat-5
store_origin: US
region: United States of America
---

# 11 adjustable headrest positions 5-point harness for ultimate safety Supports 9-36 kg (up to 12 years) Comfort UP Car Seat, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Infant, Group 1/2/3, 9-36 Kg, Up to 12 Years, Black

**Brand:** kinderkraft
**Price:** $155.78
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate every ride with safety and style — because your little one deserves the best!

## Quick Answers

- **What is this?** Comfort UP Car Seat, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Infant, Group 1/2/3, 9-36 Kg, Up to 12 Years, Black by kinderkraft
- **How much does it cost?** $155.78 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/543093279-comfort-up-car-seat-i-size-booster-child-seat-5)

## Best For

- kinderkraft enthusiasts

## Why This Product

- Trusted kinderkraft brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Future-Proof Design:** From 9 kg infants to 36 kg kids (up to 12 years), this seat adapts to your family’s changing needs without compromise.
- • **Grow With Confidence:** 11-position adjustable headrest and EASY GROW SYSTEM let the seat evolve seamlessly with your child from toddler to pre-teen.
- • **Safety First, Always:** R129 i-Size certified with crash-tested 5-point harness ensures your child’s protection on every journey.
- • **Effortless Installation:** Universal seat belt installation with intuitive guides means no ISOFIX? No problem—setup is quick and secure.
- • **Comfort Meets Practicality:** Breathable, soft seat fabric combined with modular inserts and harness holders make every ride cozy and hassle-free.

## Overview

The Kinderkraft Comfort UP Car Seat is a versatile, R129 i-Size certified booster designed for children aged approximately 15 months to 12 years (9-36 kg). Featuring a 5-point harness, 11 adjustable headrest positions, and easy seat belt installation, it combines top-tier safety with ergonomic comfort. Its modular inserts and EASY GROW SYSTEM ensure a perfect fit as your child grows, making it a long-lasting, practical choice for modern families.

## Description

COMFORT UP i-Size is a car seat designed for children from 76 to 150 cm tall (approximately 15 months to 12 years or according to the former standard: 9-36 kg). The car seat is compliant with the latest R129 i-Size standard and has successfully passed crash tests. It is a car seat that offers universal installation - you can install it in cars not equipped with ISOFIX system. COMFORT UP i-Size can be installed with the use of a three-point car seat belt - the whole process is facilitated by easy-to-use guides. COMFORT UP i-Size is equipped with practical solutions that increase the comfort of use. Thanks to the EASY GROW SYSTEM, you can simultaneously adjust the headrest with the safety harness by choosing one of 11 positions. And when you start to fasten your child with the car seat belt - you can tuck away the internal safety harness without having to remove it from the car seat.

Review: Very nice - Really very nice and comfortable seat and also the colour looks very gorgeous.
Review: IDEAL FOR TODDLERS - This seat is great for my 3 year old son. Quite sturdy, easy to set up, safe, light and fits in any car. It feels quite stable, too. Very good price. I would buy it again if I have another child.

## Features

- FUNCTIONAL: The car seat is suitable for children from 76-150 cm or less than 18 kg.; It is compliant with the latest R129 i-Size standard, it has successfully passed crash tests
- SAFE: Easy installation with a three-point car seat belt, equipped with guides that are comfortable to use; The car seat is equipped with the internal five-point safety harness with soft pads and a crotch protector
- COMFORTABLE: There are 11 headrest adjustment positions, and thanks to the EASY GROW SYSTEM, it offers simultaneous adjustment of the headrest and the internal safety harness; It has a wide, soft seat covered with breathable material
- PRACTICAL: The car seat features special elastic bands to hold the safety harness, making it easier to place the child in it; And when you start to fasten your little one with the car seat belt; you can tuck away the internal safety harness without having to remove it from the car seat
- MODULAR INSERT: The car seat is equipped with a soft and comfortable insert for younger children, which is modular and you can easily adjust it to your little one; You can use the insert for a child up to 87 cm tall (the part under the buttocks) or up to 150 cm (headrest)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BYP9MTBX |
| Age Range Description | Infant |
| Best Sellers Rank | 1,205 in Baby Products ( See Top 100 in Baby Products ) 13 in Car Seats (Baby Products) |
| Brand | Kinderkraft |
| Brand Name | Kinderkraft |
| Colour | Black |
| Country Of Origin | China |
| Customer Reviews | 4.3 out of 5 stars 8,119 Reviews |
| Forward Facing Car Seat Minimum Height | 76 Centimetres |
| Forward Facing Maximum Weight | 36 Kilograms |
| Harness Type | 5-Point |
| Installation Type | Seat Belt |
| Installation type | Seat Belt |
| Item Dimensions D x W x H | 48D x 44W x 60H centimetres |
| Item Weight | 6 Kilograms |
| Manufacturer | 4Kraft |
| Manufacturer Part Number | KCCOUP02BLK0000 |
| Manufacturer Warranty Description | 2 year manufacturer |
| Material | Polyester, Polypropylene |
| Material Type | Polyester, Polypropylene |
| Maximum Weight Recommendation | 36 Kilograms |
| Minimum Weight Recommendation | 9 Kilograms |
| Model Number | KCCOUP02BLK0000 |
| Number of Height Positions | 7 |
| Orientation | Forward Facing |
| Product dimensions | 48D x 44W x 60H centimetres |
| Rear Facing Maximum Weight | 36 Kilograms |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Kinderkraft
- **Colour:** Gray
- **Harness type:** 5-Point
- **Installation type:** Seat Belt
- **Item weight:** 4.8 Kilograms
- **Material:** Polyester, Polypropylene
- **Maximum weight recommendation:** 36 Kilograms
- **Number of height positions:** 7
- **Orientation:** Forward Facing
- **Product dimensions:** 48D x 44W x 60H centimetres

## Images

![Comfort UP Car Seat, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Infant, Group 1/2/3, 9-36 Kg, Up to 12 Years, Black - Image 1](https://m.media-amazon.com/images/I/71vf5vZ-q-L.jpg)
![Comfort UP Car Seat, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Infant, Group 1/2/3, 9-36 Kg, Up to 12 Years, Black - Image 2](https://m.media-amazon.com/images/I/71bjZJaYlPL.jpg)
![Comfort UP Car Seat, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Infant, Group 1/2/3, 9-36 Kg, Up to 12 Years, Black - Image 3](https://m.media-amazon.com/images/I/81eZuF1nx8L.jpg)
![Comfort UP Car Seat, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Infant, Group 1/2/3, 9-36 Kg, Up to 12 Years, Black - Image 4](https://m.media-amazon.com/images/I/71wPCGag-qL.jpg)
![Comfort UP Car Seat, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Infant, Group 1/2/3, 9-36 Kg, Up to 12 Years, Black - Image 5](https://m.media-amazon.com/images/I/712dRrmSbyL.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very nice
*by M***I on 1 July 2026*

Really very nice and comfortable seat and also the colour looks very gorgeous.

### ⭐⭐⭐⭐⭐ IDEAL FOR TODDLERS
*by S***S on 25 April 2026*

This seat is great for my 3 year old son. Quite sturdy, easy to set up, safe, light and fits in any car. It feels quite stable, too. Very good price. I would buy it again if I have another child.

### ⭐⭐⭐⭐⭐ Good quality,worth the money
*by C***. on 21 June 2026*

Love the colour,arrived early,overall happy with purchase

## Frequently Bought Together

- Kinderkraft Car Seat Comfort UP, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Infant, Group 1/2/3, 76-105 cm or less than 18 kg, Black
- Kinderkraft I-Spark I-Size Baby Car Seat, Group 2/3, 100-150 cm, from 3.5 to 12 Years, 15 to 36 Kg, Light (4.5 Kg), 3-Point Seat Belt, Side Protection, Pink
- My Child Brundle Group 2/3 Booster, Grey, 700 g

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-13*