Baby Car Seat
Baby Car Seat
Baby Car Seat
Baby Car Seat
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Chicco Fit4 4-in-1 Convertible Child Safety Baby Car Seat Onyx

Chicco Fit4 4-in-1 Convertible Child Safety Baby Car Seat Onyx

Day One to Year Ten

The Chicco Fit4 4-In-1 Convertible Car Seat, designed to deliver premier child fit and comfort at each unique stage, makes it easy to correctly secure your child from birth through big kid booster. Trusted, easy-to-use installation and safety features unique to Chicco combine with an innovative 4-Stage FitKit System, for ultimate convenience and peace of mind as your baby grows to age ten.

One Car Seat – 4 Stages to Grow

The 4-Stage FitKit System provides optimal fit and comfort through multi-staged construction and easy-to-remove layers, providing more room to grow through each unique stage. Combined with a 10-position easy-adjust headrest and 9 recline positions, your child will be riding in comfort as they grow, correctly secured in each stage:

Easiest All-in-One to Install Correctly

Chicco-exclusive installation features including ReclineSure leveling system, RideRight bubble levels, force-multiplying SuperCinch LATCH tightener and LockSure belt-tightening system combine to make Fit4 the easiest all-in-one car seat to install correctly. Slim design and space-saving CupFolders make Fit4 easy to fit and secure inside your vehicle.

Protection at Every Stage

DuoGuard side-impact protection offers two layers of protection with a steel-reinforced frame and EPS energy-absorbing foam that surround the head and torso throughout every stage. A 10-position headrest adjusts in height simultaneously with the 5-point harness to accommodate maximum growth, for best in class protection from birth through booster.


The best FIT from day 1 to year 10 – for peace of mind and convenience from birth to booster
4-stage FitKit System includes infant positioner, toddler pad, FitKit core and deluxe shoulder pad
9-position ReclineSure leveling system
Best in class 10-position headrest
SuperCinch LATCH tightener
DuoGuard head and torso side-impact protection
Steel-reinforced frame
RideRight bubble levels
LockSure steel-reinforced seat belt locking system
Slim design and space-saving CupFolders with push-button removal
Machine washable fabrics


Assembled Dimensions (L x W x H): 21.5" x 19" x 26.5"
Assembled Product Weight: 25 lbs.
Harness Mode - Rear-Facing 4-40 lbs
Harness Mode - Forward-Facing 25-65 lbs
Booster Mode - High Back 40-100 lbs
Booster Mode - Backless -
LATCH SuperCinch
Seat Belt Installation LockSure
Recline Positions 9
Product Weight 25 lbs
Product Total Width 19"
Total Harness Slot Height 18.5"
Total Belt-Positioning Clip Height 21"
Product Interior Width (Shoulder) 13"
Product Interior Width (Hips) 12"
Product Interior Seat Depth 14.5"
Product Max Seated Height 27"
Assembled Product Max Seat Back Height 33.5"
Product Depth (Footprint) 21.5"
Height Adjust Positions 10
Crotch Positions 2
RF Child Max Height Capacity 43"
FF Child Max Height Capacity 54"
Booster Child Height Capacity 38-57"

Color: Blue, Purple, White
Size: 20, 24
Material: 100% Polyester