--- product_id: 643237616 title: "kk Kinderkraft Car Seat Comfort UP, 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, Green" brand: "kk kinderkraft" price: "$677.18" currency: USD in_stock: true category: "Kk Kinderkraft" url: https://www.desertcart.us/products/643237616-kk-kinderkraft-car-seat-comfort-up-i-size-booster-child store_origin: US region: United States of America --- # Fits kids 76-150 cm tall 5-point internal safety harness 12-position adjustable headrest kk Kinderkraft Car Seat Comfort UP, 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, Green **Brand:** kk kinderkraft **Price:** $677.18 **Availability:** βœ… In Stock ## Summary > πŸš— Elevate every ride with safety and style β€” because your little one deserves the best! ## Quick Answers - **What is this?** kk Kinderkraft Car Seat Comfort UP, 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, Green by kk kinderkraft - **How much does it cost?** $677.18 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/643237616-kk-kinderkraft-car-seat-comfort-up-i-size-booster-child) ## Best For - kk kinderkraft enthusiasts ## Why This Product - Trusted kk kinderkraft brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Custom Comfort Control:** 12 headrest positions and breathable, plush padding keep your child cozy on every journey. - β€’ **Smart Easy Grow System:** Simultaneous headrest and harness adjustment means no hassle, just smooth transitions. - β€’ **Effortless Installation:** Quick, secure setup with three-point seat belt and intuitive guidesβ€”no ISOFIX needed. - β€’ **Top-Tier Safety Compliance:** Meets latest R129 i-Size crash standards for peace of mind on every ride. - β€’ **Universal Fit for Growing Kids:** From 9 months to 12 years, one seat grows with your child effortlessly. ## Overview The COMFORT UP I-SIZE GREEN car seat is a versatile, safety-certified solution designed for children from 76 to 150 cm tall (approx. 9 months to 12 years). Compliant with the latest R129 i-Size standard and crash-tested, it features a 5-point internal harness, easy installation via a three-point seat belt, and 12 adjustable headrest positions with the innovative Easy Grow System for simultaneous harness adjustment. Its breathable, soft seat cover and ergonomic design ensure comfort for daily commutes and long trips alike. ## 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. Technical details Shell: PP Cover: polyester Dimensions: 61.5-84 x 44 x 49 cm (height, width, depth) Weight: 6 kg ## Features - FUNCTIONAL: the car seat is suitable for children from 76 cm to 150 cm tall (approximately 9 months to 12 years or 9-36 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 12 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BYP8SX5M | | Age Range Description | Infant | | Best Sellers Rank | #8,263 in Baby Products ( See Top 100 in Baby Products ) #21 in Child Safety Booster Car Seats | | Brand | kk Kinderkraft | | Color | Green | | Country of Origin | China | | Customer Reviews | 4.3 4.3 out of 5 stars (884) | | Forward Facing Car Seat Minimum Height | 76 Centimeters | | Forward Facing Minimum Weight | 9 Kilograms | | Harness Type | 5-Point | | Installation Type | Seat Belt | | Item Dimensions D x W x H | 48D x 44W x 60H centimeters | | Item Weight | 6 Kilograms | | Manufacturer | kk Kinderkraft | | Material Type | Polypropylene Polyester | | Maximum Height Recommended | 150 Centimeters | | Maximum Weight Recommendation | 36 Kilograms | | Minimum Height Recommendation | 76 Centimeters | | Minimum Weight Recommendation | 9 Kilograms | | Model Number | KCCOUP02GRE0000 | | Number of Height Positions | 7 | | Orientation | Forward Facing | | Part Number | KCCOUP02GRE0000 | | Rear Facing Maximum Weight | 36 Kilograms | | Unit Count | 1 Count | ## Product Details - **Brand:** kk Kinderkraft - **Colour:** Green - **Installation type:** Seat Belt - **Material:** Polypropylene Polyester - **Orientation:** Forward Facing ## Images ![kk Kinderkraft Car Seat Comfort UP, 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, Green - Image 1](https://m.media-amazon.com/images/I/61m3UPg0kzL.jpg) ## 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, 9-36 Kg, Up to 12 Years, Green - 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, Green - My Child Brundle Group 2/3 Booster, Grey, 700 g --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/643237616-kk-kinderkraft-car-seat-comfort-up-i-size-booster-child](https://www.desertcart.us/products/643237616-kk-kinderkraft-car-seat-comfort-up-i-size-booster-child) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-28*