● Car Seats · Review

Chicco KeyFit 35 Infant Car Seat

Fits from 4 pounds with the included insert, one of the lowest starting weights of any infant seat

✎ PickHonest Research Desk▦ Updated March 3, 2026◷ 3 min read

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Chicco KeyFit 35 Infant Car Seat
Top pick

Chicco KeyFit 35 Infant Car Seat

Chicco

Fits from 4 pounds with the included insert, one of the lowest starting weights of any infant seat

  • Fits infants 4 to 35 pounds
  • Removable infant head and body support insert
  • Stay-in-car base with load leg and level indicator
  • UPF 50+ full-coverage canopy
  • Compatible with most Chicco strollers for a travel system

Pros

  • Fits from 4 pounds with the included insert, one of the lowest starting weights of any infant seat
  • Consistently rated one of the easiest infant seats to install correctly on the first try
  • Detaches from the base to double as a carrier and click into compatible strollers

Cons

  • Height limit around 30 inches means many babies outgrow it before 35 pounds
  • Heavier carrier shell than some newer lightweight infant seats
  • Extra bases sold separately for a second car add to the total cost
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