Harmony Defender 360° Deluxe Convertible 3-in-1 Harnessed Booster Car Seat with Insert - Heather Grey

Harmony Defender 360° Deluxe Convertible 3-in-1 Harnessed Booster Car Seat with Insert - Heather Grey

Model Number: 0302021HGY
Web Code: 13655331
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Enjoy peace of mind knowing your child is secure with the Harmony Defender 360° 3-in-1 convertible booster car seat. This multi-functional car seat converts easily from a 5-point harness to a high-back or backless booster seat to accommodate your child as they grow. With easy installation and many safety features, it's no wonder this seat is a parent favourite.

Manufacturer's Warranty

Check with the manufacturer for details or purchase Best Buy Protection on the next step.

Return Policy

30 days to return or exchange

Product must be unopened

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What's included:

  • Item
  • Manual
  • Parts

Weight capacity

  • Front Facing: 10kg-54.7kg
  • Booster Seat: 10kg-54.7kg

Security features

  • Rollover tested with 5-point harness to keep your child safe in the event of a roll
  • LATCH (UAS) and Top Tether equipped to fit securely in any compatible vehicle
  • EPE energy-absorbing foam in headrest, backrest, and base protects your child in the event of an impact
  • 360 degrees of full-body impact protection with a supportive headrest, backrest, and seat base guarantee maximum safety to the head, body and legs as your child grows
  • Belt path design prevents child from sliding under the lap belt upon impact in booster seat mode
  • Designed and tested for structural integrity at energy levels approximately 2x the federal crash test standards
  • Exceeds Canadian CMVSS 213 standards, US FMVSS 213 standards, and European ECE standards for safety

Other features

  • Forward facing 3-in-1 deluxe car seat can be used as 5-point Harness, high-back booster seat, or backless booster seat, accommodating your child as they grow
  • Premium reversible infant insert will cradle your child in luxurious comfort
  • Unique V-shape, smooth-contoured design allows for easier, safer installations while protecting your vehicle's upholstery
  • 9-position, 1-handed, no re-thread harness height adjustment makes it easy to adjust the seat for your child even when your hands are full
  • Ultra-plush seat pad is made with durable premium fabrics and extra foam for maximum comfort, and is removable for easy machine washing
  • Cup/snack holder can easily be installed on either armrest
  • Included shoulder belt guide instructs you how to install the shoulder belt safely
  • Additional features include: Up-front harness adjuster, anti-torque design, and a unique infinite recline system
Product Condition
Brand New
Car Seat Type
2-in-1 Harness to Booster Car Seat
Car Seat Orientation
Rear-facing Car Seat
Forward-facing Infant Car Seat
High-backed Booster Seat
Harness Points
Base Material
HDPE Plastic; Polyester
Compatible Strollers

Safety Requirements

Minimum Seat Weight Capacity
10 kg
Maximum Seat Weight Capacity
54.7 kg
Weight Capacity:Front Facing(Min)
10 kg
Weight Capacity:Front Facing(Max)
54.7 kg
Weight Capacity:Booster Seat(Min)
10 kg
Weight Capacity:Booster Seat(Max)
54.7 kg

Popular Features

Cup Holder
Removable Seat Cushion
Washable Fabric
Detachable Base
LATCH System
Snack Trays
Aircraft Certified
Heather Grey; Black
Country of Origin


46.355 cm
67.31 cm
50.8 cm
8.3 kg
If you find a lower price with another retailer before you buy (or within 30 days of purchase), we’ll gladly match that price. If our own price is reduced within 30 days of purchase, we’ll match it and refund you the difference. Conditions and exclusions apply.