Knox Convertible Car Seat

SKU: 810030093800

Easily adaptable Convertible Car Seat packed with intuitive safety features
From baby to big kid, the KNOX Convertible Car Seat is packed with intuitive safety features and easily adapts as children grow and their positioning needs change.


  • SMARTSECURE® System for easy installation
  • Energy Response Technology for unparalleled side impact protection
  • No-rethread harness, eight-position headrest, and four-position recline
  • Active Support Headrest with specialized foams for added absorption

Simple Installation - Safety You Can See
UPPAbaby's unique technology, utilizing a tightness indicator and robust tension clips, provides a visual guide to aid in achieving a correct installation — not to mention peace of mind.

No-Rethread Harness - Adjust With Ease
UPPAbaby's no-rethread harness, eight-position headrest, and four-position recline all adjust quickly and easily as your child grows.

    Fire-Retardant Free Fabric - A Chemical-Free Choice
    Through its innovative use of Merino wool, the JORDAN KNOX passes federal safety standards without the use of fire-retardant chemicals. The wicking properties of Merino wool keep kids cool on hot days and warm on cool days.

    The Ultimate Damage Control System
    Koroyd® was developed from aerospace safety research and is now built into the base of the KNOX car seat, providing more advanced impact protection. The welded tubes crumple instantly and consistently on impact, absorbing maximum force in a controlled manner, minimizing energy transferred to the child.

    Tether them better
    The Multi-Directional Tether reduces seat rotation and stress on the child’s head and neck in the event of an impact and is strongly recommended with both rear and forward-facing installations. When used in rear-facing mode, the Multi-Directional Tether can reduce injury potential by 45%.*

    *Source: 2020 results from crash testing conducted at independent labs in U.S. and Canada.

    Included Cup Holder - Sip And Go
    Sippy cup or water bottle, the KNOX includes a removable cup holder that can attach to either side of the seat. When spills happen, the seat base fabric can be removed for easy cleaning.

    Side Impact Pods - A Small Feature that Makes a Big Difference
    Positioned on the side of the shell and always engaged, the Side Impact Pods absorb and deflect crash forces during a side-impact crash.

    Active Support Headrest - Protection That’s a Head Above the Rest
    Absorption and recovery properties of specialized foams in the Active Support Headrest provide advanced side impact protection that grows with your child.

    Impact Dispersion Zone
    Strategic placement of EPP foam between the inner and outer shell ensures forces are absorbed into the seat rather than the child.


    • Suitable for approximately 1–6 years old
    • Rear-facing: from 14–45 lbs, and using the included fit inlay from 14–25 lbs
    • Forward-facing: from 25–65 lbs
    • Height: up to 49″
    • Dimensions: 23.8” L x 18.8” W x 27.4–32.5” H
    • (Height reflects headrest in lowest and highest positions)


    • SMARTSecure® System with red-to-green tightness indicator provides visual confirmation the car seat is installed correctly
    • Koroyd® technology integrated into the base creates an effective crumple zone protecting the child from impact forces
    • Multi-Directional Tether for rear and forward-facing travel reduces seat rotation and stress on the child’s head and neck upon impact
    • Two-piece fit inlay allows for flexibility and proper fit
    • No-rethread harness adjusts with eight-position headrest
    • Side Impact Pods for additional impact absorption
    • Active Support Headrest that grows with your child
    • EPP foam between the inner and outer shell ensures forces are absorbed into the seat
    • Color coded belt paths with robust tensioning clips
    • Multi-position, adjustable foot for leveling
    • Storage pockets for harness buckles
    • Bead level indicators on both sides of the seat
    • Removable cup holder included
    • Removable and washable seat fabric
    • One naturally fire-resistant option through innovative use of Merino woolen 

    What's Included

    • Convertible Car Seat
    • Removable, Dishwasher Safe Cup Holder

    1120-KNX-US-JOR Jordan - Charcoal Mélange Wool with Citron Accent
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    1120-KNX-US-JKE Jake - Black Mélange
    1120-KNX-US-NOA Noa - Navy Mélange
    1120-KNX-US-GRG Gregory - Blue Melange | Merino Wool

    PLEASE NOTE: If item is not in stock, you may proceed with your order and KNK will advise on the estimated date of availability based on manufacturer information. KNK is unable to guarantee a specific date of availability.