---
product_id: 663049149
title: "Diono Radian 3RXT Special Edition Slim Fit 3 Across All-in-One Convertible Car Seat, Rear-Facing, Forward-Facing and High-Back Booster, Gray Oyster"
brand: "diono"
price: "€ 41.48"
currency: EUR
in_stock: false
url: https://www.desertcart.fi/products/663049149-diono-radian-3rxt-special-edition-slim-fit-3-across-all
store_origin: FI
region: Finland
---

# 12-position adjustable headrest 3-across slim fit design automotive-grade steel core Diono Radian 3RXT Special Edition Slim Fit 3 Across All-in-One Convertible Car Seat, Rear-Facing, Forward-Facing and High-Back Booster, Gray Oyster

**Brand:** diono
**Price:** € 41.48
**Availability:** ❌ Out of Stock

## Summary

> 🚗 Safety, style, and space — all in one sleek ride!

## Quick Answers

- **What is this?** Diono Radian 3RXT Special Edition Slim Fit 3 Across All-in-One Convertible Car Seat, Rear-Facing, Forward-Facing and High-Back Booster, Gray Oyster by diono
- **How much does it cost?** € 41.48 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/663049149-diono-radian-3rxt-special-edition-slim-fit-3-across-all)

## Best For

- diono enthusiasts

## Why This Product

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

## Key Features

- • **Space-Savvy Slim Fit:** Innovative 3-across design fits three car seats side-by-side without sacrificing comfort.
- • **Convenience Meets Style:** Includes a handy cupholder and sleek gray oyster finish for modern family lifestyles.
- • **Grow-With-You Versatility:** Seamlessly converts from rear-facing newborn to high-back booster for up to 10 years of use.
- • **Ultimate Safety Engineering:** Built with a mechanically engineered steel core and anti-rebound bar for maximum crash protection.
- • **Effortless Comfort Adjustments:** One-handed, 12-position adjustable headrest ensures a perfect fit as your child grows.

## Overview

The Diono Radian 3RXT Special Edition is a convertible car seat engineered for up to 10 years of use, supporting children from 5 to 120 pounds. Featuring a slim-fit design that allows three seats across, a steel core frame for enhanced safety, and a 12-position adjustable headrest, it combines durability, comfort, and space-efficiency for the modern family on the go.

## Description



## Features

- Radian 3RX Car Seat: Equipped with SuperLatch, cupholder, an adjustable headrest, and head and body support grows with your child for up to 10 years of use with a weight limit of 5 to 120 pounds
- Technology: Allows for newborn rear-facing, forward-facing harness, and high-back booster mode; Designed for rear-facing travel from 5 to 65 pounds; Includes an anti-rebound bar to reduce rotation
- Mechanically Engineered Steel Core: Made from automotive-grade steel; Keeps you secure during travel with Radian slim-fit design for a 3-across option to not compromise a child's comfort and safety
- Adjustable Headrest: One-handed easy-adjust, 12-position headrest for a personalized and ultra-comfortable fit; Ensures maximum support and safety for you and your loved ones

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 40.64 x 43.18 x 72.39 cm |
| Manufacturer reference | 50031-US-01 |
| Minimum Weight Recommendation | 5 Pounds |
| Maximum Weight Recommendation | 65 Pounds, 120 Pounds, 50 Pounds |

## Product Details

- **Brand:** Diono
- **Maximum weight recommendation:** 29.48 kg, 22.68 kg, 54.43 kg
- **Minimum weight recommendation:** 5 Pounds
- **Age range (description):** Newborn
- **UPC:** 677726500314
- **Manufacturer:** Diono

## Images

![Diono Radian 3RXT Special Edition Slim Fit 3 Across All-in-One Convertible Car Seat, Rear-Facing, Forward-Facing and High-Back Booster, Gray Oyster - Image 1](https://m.media-amazon.com/images/I/71RzJZq4FWL.jpg)
![Diono Radian 3RXT Special Edition Slim Fit 3 Across All-in-One Convertible Car Seat, Rear-Facing, Forward-Facing and High-Back Booster, Gray Oyster - Image 2](https://m.media-amazon.com/images/I/61k46yAZ5yL.jpg)
![Diono Radian 3RXT Special Edition Slim Fit 3 Across All-in-One Convertible Car Seat, Rear-Facing, Forward-Facing and High-Back Booster, Gray Oyster - Image 3](https://m.media-amazon.com/images/I/71BovPVRL8L.jpg)
![Diono Radian 3RXT Special Edition Slim Fit 3 Across All-in-One Convertible Car Seat, Rear-Facing, Forward-Facing and High-Back Booster, Gray Oyster - Image 4](https://m.media-amazon.com/images/I/71W2E-FnXxL.jpg)
![Diono Radian 3RXT Special Edition Slim Fit 3 Across All-in-One Convertible Car Seat, Rear-Facing, Forward-Facing and High-Back Booster, Gray Oyster - Image 5](https://m.media-amazon.com/images/I/71n4ilVcWqL.jpg)

## Frequently Bought Together

- Diono Radian 3RXT Special Edition Slim Fit 3 Across All-in-One Convertible Car Seat, Rear-Facing, Forward-Facing and High-Back Booster, Gray Oyster
- Diono Angle Adjuster Car Seat Leveler, Car Seat Wedge Cushion, Foam Provides More Legroom for Rear-Facing Car Seats
- Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.fi/products/663049149-diono-radian-3rxt-special-edition-slim-fit-3-across-all](https://www.desertcart.fi/products/663049149-diono-radian-3rxt-special-edition-slim-fit-3-across-all)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-20*