# Infant car seat bases for a middle car seat position Which infant car seat bases can be installed in the middle seat of a car? The checked facts do not state which bases fit the middle seat\. The closest installation facts are: Doona Latch Base: The LATCH base from Simple Parenting is designed especially for the Doona and installs with LATCH or the car's seatbelt\. Britax Aspen Infant Car Seat Base \(with ClickTight\): Britax publishes installation videos for the Aspen base, one for the vehicle seat belt and one for the lower anchors\. Chicco KeyFit Max Infant Car Seat Base: The base's LATCH installation is the most straightforward method and the one testers would choose, though it is only average for the group\. ### 1. [Doona Latch Base](/products/ucp/strolleria-com/1292673744970) (sold by strolleria\.com) The LATCH base from Simple Parenting is designed especially for the Doona and installs with LATCH or the car's seatbelt\. - Install method: The LATCH base from Simple Parenting is designed especially for the Doona and installs with LATCH or the car's seatbelt\. (listing) - Install ease: Parents praise the simple installation process whether using LATCH or a seatbelt\. (review) ### 2. [Britax Aspen Infant Car Seat Base \(with ClickTight\)](/products/ucp/strolleria-com/8063439568970) (sold by strolleria\.com) Britax publishes installation videos for the Aspen base, one for the vehicle seat belt and one for the lower anchors\. - Install method: Britax publishes installation videos for the Aspen base, one for the vehicle seat belt and one for the lower anchors\. (manual) - Install ease: Getting the ClickTight indicator fully green took far more trial and error than expected, especially with the vehicle seat belt, and the reviewer found the lower anchors much easier for reaching green\. (review) ### 3. [Chicco KeyFit Max Infant Car Seat Base](/products/ucp/strolleria-com/8065097302090) (sold by strolleria\.com) The base's LATCH installation is the most straightforward method and the one testers would choose, though it is only average for the group\. - Install method: The base's LATCH installation is the most straightforward method and the one testers would choose, though it is only average for the group\. (review) - Install ease: The reviewer found LATCH installation impressively easy with the SuperCinch tightener and clear leveling foot and bubble indicators\. (review) 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 2026-10-23T20:57:58.535Z. 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)