# Infant car seats that can be used without their base Which infant car seats can be installed without their base? Britax Willow S: The carrier has an extra rear belt path for installation without its base\. Chicco KeyFit 30: For city dwellers using taxis or ride shares the video says the seat needs no base, using the seatbelt hooks on the side\. Testers rate the seat a good blend of crash protection, ease of use and vehicle fit, scoring 4 of 5 for ease of use and 5 of 5 for fit using LATCH and using the seat belt, but only 3 of 5 for fit without the base\. Cybex Cloud G Pro \(Cloud G Pro Comfort Extend\): It is certified for aircraft use if used without the base\. ### 1. [Britax Willow S](/products/ucp/anbbaby-com/8560515023134) (sold by anbbaby\.com) The carrier has an extra rear belt path for installation without its base\. - Without base: The carrier has an extra rear belt path for installation without its base\. (guide) - Fit without base rating: - - Base: The Willow S is a rear\-facing infant car seat supplied with the Alpine base\. (guide) ### 2. [Chicco KeyFit 30](/products/ucp/albeebaby-com/9564462776551) (sold by albeebaby\.com) For city dwellers using taxis or ride shares the video says the seat needs no base, using the seatbelt hooks on the side\. - Without base: For city dwellers using taxis or ride shares the video says the seat needs no base, using the seatbelt hooks on the side\. (review) - Fit without base rating: Testers rate the seat a good blend of crash protection, ease of use and vehicle fit, scoring 4 of 5 for ease of use and 5 of 5 for fit using LATCH and using the seat belt, but only 3 of 5 for fit without the base\. (review) - Base: The base has premium LATCH connectors and a one\-pull SuperCinch tightener\. (guide) ### 3. [Cybex Cloud G Pro \(Cloud G Pro Comfort Extend\)](/products/ucp/albeebaby-com/9564473393383) (sold by albeebaby\.com) It is certified for aircraft use if used without the base\. - Without base: It is certified for aircraft use if used without the base\. (manual) - Fit without base rating: - - Base: - Every value in the table is a fact RoboTrunk checked, linked to the page it came from\. A dash means no checked fact fills that cell\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-17T09:32:26.782Z. This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. The person approves the total; once RoboTrunk has checked the store's total against it, the person is given the checkout link to tap in their own browser, or, if the person prefers and gives permission, their agent may open the link and finish there, and payment always happens on the store's own checkout page. RoboTrunk never takes the payment or sees a card. Where the rest of this site is: - /agent/story.md is what RoboTrunk is and how it works, in full. - /agent/tools.json is every tool, its arguments and its answers. - /agent/merchants is every store you can buy from through RoboTrunk. - /products/ucp is every store's indexed products. - /products/search is one search across every store, in plain words. - [What RoboTrunk is](/agent/story.md) - [Every tool, in your browser through WebMCP](/agent) - [The tools and how to call them](/agent/tools.json) - [The stores you can buy from](/agent/merchants) - [Every store's products](/products/ucp) - [Search every store at once](/products/search)