---
product_id: 651312383
title: "Crosstown Slim All-in-One Convertible Car Seat, Deep Sea"
brand: "safety 1st"
price: "A$826"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/651312383-crosstown-slim-all-in-one-convertible-car-seat-deep-sea
store_origin: AU
region: Australia
---

# Slim 17” design fits 3 across 1-hand adjustable harness & 8-position headrest Birth to 10 years all-in-one use Crosstown Slim All-in-One Convertible Car Seat, Deep Sea

**Brand:** safety 1st
**Price:** A$826
**Availability:** ✅ In Stock

## Summary

> 🚗 Safety Meets Slim Style — Because Your Back Seat Deserves the Best!

## Quick Answers

- **What is this?** Crosstown Slim All-in-One Convertible Car Seat, Deep Sea by safety 1st
- **How much does it cost?** A$826 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/651312383-crosstown-slim-all-in-one-convertible-car-seat-deep-sea)

## Best For

- safety 1st enthusiasts

## Why This Product

- Trusted safety 1st brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built for Longevity:** Supports children from birth up to 100 lbs, growing with your family for up to 10 years of safe rides.
- • **Seamless Installation:** Quick-access belt paths and adjustable base foot make switching from rear- to forward-facing a breeze.
- • **Fits 3 Across with Ease:** Slim 17-inch profile maximizes back seat space for growing families and carpool champions.
- • **Parent-Approved Convenience:** Dishwasher-safe cup holders and machine-washable seat pad keep cleanups fast and fuss-free.
- • **Effortless Growth Adaptation:** One-hand harness adjustment and 8-position headrest keep your child comfy through every growth spurt—no rethreading needed.

## Overview

The Safety 1st Crosstown Slim All-in-One Convertible Car Seat is a versatile, space-saving solution designed to grow with your child from birth to 10 years. Its slim 17-inch width fits three across most back seats, while one-hand adjustable harness and 8-position headrest ensure comfort and safety without hassle. Easy installation features and removable, washable components make it a practical choice for busy parents who demand both safety and style.

## Description

Safety 1st Crosstown Slim All-in-One Convertible Car Seat, Deep Sea

## Features

- GROWS WITH YOUR FAMILY The Safety 1st Crosstown Slim All-in-One Convertible Car Seat is designed for birth to 10 years: rear-facing (5–40 lbs., 19"–40"), forward-facing harness (30–65 lbs., 34.4"–49"), and belt-positioning booster (40–100 lbs., 43.4"–52").
- FIT 3 ACROSS THE BACK SEAT Our comfortable convertible car seat features a slim 17” design that fits 3 across the back seat of most cars, or creates more space for passengers.
- ADJUST WITH 1 HAND The easily adjustable harness and 8-position headrest help you keep up with growth spurts, providing multiple positions to ensure a proper fit and comfort. All without the need to rethread the harness as you make changes to the height.
- ENJOY SMOOTH TRANSITIONS Easy-to-access belt paths keep car seat installation simple and quick, allowing you to get a secure fit, while the base foot adjusts quickly to transition from rear-facing to forward-facing.
- ADDITIONAL FEATURES YOU’LL LOVE 2 removable, dishwasher-safe cup holders. Machine-washable and dryer-safe seat pad for easy cleaning. Meets or exceeds federal safety standards.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 20 x 17 x 20 inches |
| Item model number | CC400HMN |
| Minimum weight recommendation | 2.5 Kilograms |
| Maximum weight recommendation | 100 Pounds |
| Minimum height recommendation | 19 Inches |
| Maximum height recommendation | 52 Inches |
| Material Type | Polyester |
| Style | Crosstown Slim |
| Number of reclining positions | 8 |
| Batteries required | No |
| Orientation | Forward Facing, Rear Facing |
| Rear-facing minimum child weight | 5 Pounds |
| Rear-facing maximum child weight | 40 Pounds |
| Forward-facing minimum child weight | 30 Pounds |
| Forward-facing maximum child weight | 65 Pounds |
| Harness type | 5-Point |
| Item Weight | 14 pounds |
| Country/Region of origin | USA |

## Product Details

- **Brand:** Safety 1st
- **Installation Type:** Latch
- **Material:** Polyester
- **Color:** Deep Sea
- **Orientation:** Forward Facing, Rear Facing

## Images

![Crosstown Slim All-in-One Convertible Car Seat, Deep Sea - Image 1](https://m.media-amazon.com/images/I/71kPOqJU98L.jpg)

## Available Options

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

## Frequently Bought Together

- Safety 1st Crosstown Slim All-in-One Convertible Car Seat, Deep Sea
- Graco TurboBooster 2.0 Backless Booster Car Seat, Denton
- Safety 1st Grow and Go All-in-One Slim Convertible Car Seat, Rear Facing, 5-40 lbs, Forward Facing (30–65 lbs), High Back Booster Seat 40-100 pounds, Carbon Rose

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**Shop now:** [https://www.desertcart.com.au/products/651312383-crosstown-slim-all-in-one-convertible-car-seat-deep-sea](https://www.desertcart.com.au/products/651312383-crosstown-slim-all-in-one-convertible-car-seat-deep-sea)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-22*