An infant car seat includes a base including a belt path along which a vehicle belt can be secured to the base, and a carrier to detachably couple to the base. The carrier is positionable in a first, reclined position and a second, upright position. The belt path is fixed in location on the base such that the carrier can be positioned in either the first, reclined position or the second, upright position without adjustment of the vehicle belt relative to the base. This two-position infant carrier provides improved fit to child, The infant car seat also can include grips on the carrier of the infant car seat for improved carryability, grips on the base of the infant car seat for improved gripping of the vehicle seat and easier installation, and an adjustable height mechanism in the base for improved fit to vehicle seat.