Top-Rated Infant Car Seat in America! - The Chicco KeyFit® Infant Car Seat is engineered with innovative features that make it the easiest infant car seat to install simply, accurately, and securely, every time. Includes Base - For easy, streamlined travel, the lightweight (9 lbs.) carrier clicks effortlessly into the included stay-in-car base for the best in baby travel gear. Easiest to Install Correctly - The KeyFit® stay-in-car base has a ReclineSure™ leveling foot and two RideRight™ bubble level-indicators to help achieve and verify proper angle in the vehicle seat. The base is also equipped with premium LATCH connectors and a SuperCinch® tightener for a secure fit with a fraction of the effort! For alternate installation with the vehicle seat belt, clear belt routing and integrated lock-offs make it easy to position, tighten and lock the belt into place. A five-point harness with one-pull tightening helps keep baby secure, and the carrier shell is lined with EPS energy-absorbing foam for improved impact protection. A smooth underside helps protect vehicle seats. Tailored for Comfort - KeyFit® includes a removable infant head and body support insert to accommodate newborns as small as 4 lbs. The adjustable, removable canopy provides shade from the sun, ideal for baby travel inside and outside the vehicle. Create a Baby Stroller Travel System - The KeyFit® Infant Car Seat clicks securely into the stay-in-car base and compatible Chicco strollers for a convenient car seat and stroller combo. The carrier secures easily to the stay-in-car base and stroller with a reassuring audible click. A two-position carry-handle and one-hand release make it just as easy to remove.