Chicco Fit4 4-in-1 Convertible Car Seat

Delivering the best FIT for your child’s safety and comfort from infancy through toddlerhood and beyond

Chicco Fit4 All-In-One Car Seat

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.


Rear-Facing, 4-16 lbs

  • Ergonomic positioner
  • Supports proper posture
  • Soft, breathable fabric
Chicco Fit4 Stage 1 is Rear-Facing for Infants who are 4-16 lbs.

Stage One


Rear-Facing, 12-40 lbs

  • Toddler-sized cushion
  • Durable, wipeable fabric
  • Removable and machine-washable
Chicco Fit4 Stage 2 is Rear-Facing for Toddlers who are 12-40 lbs.

Stage Two


Forward-Facing, 25-65 lbs

  • Dual-density padding
  • Contoured for comfort
  • 10-position headrest
Chicco Fit4 Stage 3 is Forward-Facing for Preschoolers who are 25-65 lbs.

Stage Three

Big Kid

Booster, 40-100 lbs

  • Multi-position recline
  • Seat belt guides for proper positioning
Chicco Fit4 Stage 4 is a Booster for Big Kids who are 40-100 lbs.

Stage Four

Chicco Fit4 FitKit System
Chicco ReclineSure

Provide the best vehicle fit and maximize kid comfort with the versatility of 9 easy-to-adjust recline positions

Most reclines in its class

ReclineSure Positions
Chicco DuoGuard

2-layer combination of rigid shell and EPS foam provides side-impact protection for the head and torso

Steel-reinforced frame

Chicco DuoGuard side-impact protection
Chicco SuperCinch

Achieve a secure installation with LATCH quickly and confidently thanks to force-multiplying technology

4X the Force

Chicco Fit4 SuperCinch LATCH installation technology

Online Help for Every Stage

Unsure of how to transition to the next stage? Simply scan the QR Code on the side of the car seat or visit for quick and easy instructional videos and direction. Online help from Chicco - there to help guide you every step of the way.

Fit4 QR Help Code