10 Best Harness Booster Seats 2024 in the US

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3-in-1 Design: Adaptable car seat that transitions from rear-facing harness to forward-facing harness and finally to highback booster to accommodate a child's growth from 5 to 100 lb.

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Graco ProtectPlus Engineered: Enhanced safety through rigorous crash testing for protection in frontal, side, rear, and rollover crashes.

3.

No-Rethread Harness: Conveniently adjusts the headrest and harness in one motion without rethreading, simplifying the process of fitting the car seat to your child.

4.

10-Position Headrest: Multiple headrest positions to ensure a safe and comfortable fit for your growing child over time.

5.

6-Position Recline: Offers six recline positions to keep your child comfortable and to provide a better installation angle in your vehicle.

1.

3-in-1 Harness Booster: Versatile design transitions from harness booster to highback booster to backless booster, suitable for children from 22 to 100 pounds.

2.

Graco ProtectPlus Engineered: Ensures safety through rigorous crash testing, providing protection in frontal, side, rear, and rollover crashes.

3.

No-Rethread Harness System: Headrest and harness adjust together without rethreading, simplifying height adjustments as your child grows.

4.

Lightweight & Portable: Easy to move and transfer between vehicles, making it convenient for busy families on the go.

5.

One-Hand Headrest Adjustment: Features an 8-position adjustable headrest that can be easily altered with one hand to accommodate your growing child.

1.

2-in-1 Design: Easily transitions from a forward-facing harness to a belt-positioning booster to accommodate children from 30 to 120 pounds.

2.

Space Efficient: Slim design that fits three across in most vehicles, ideal for families with multiple children or frequent carpooling.

3.

Portability: Lightweight construction allows for quick and easy transfer between cars.

4.

Comfortable Fabric: Deluxe fabric ensures a comfortable ride for children.

1.

5-point harness to booster: Converts from 5-point harness to belt-positioning booster.

2.

DuoGuard protection: DuoGuard head & torso protection with steel-reinforced frame.

3.

Adjustable comfort: 4-position recline and 9-position headrest with ErgoBoost seat.

4.

Easy installation: Premium LATCH connectors and LockSure belt-tightening system.

5.

Convenient cup holders: 2 dishwasher-safe CupFolders with push-button removal.

1.

2-in-1 Design: Converts from harness to booster for 22-110 lbs.

2.

5-Point Harness: Securely holds child up to 50 lbs.

3.

Up-front Harness Adjust: Easy front access for snug fit adjustment.

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Shoulder Belt Guide: Automatically positions vehicle belt correctly.

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Dual Cup Holders: Keeps drinks and snacks within reach.

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2-in-1 Design: Easily transitions from a forward-facing harness to a belt-positioning booster as your child grows.

2.

9-Point Harness: One-hand adjustable harness and headrest to ensure a perfect fit with no rethreading required.

3.

Quick-Push LATCH: Installation is simplified with quick-push LATCH connectors and a color-coded belt guide.

4.

Britax Safety: Built with a high-strength steel frame, crumple zone, and patented V-shaped tether for added safety.

5.

Premium Comfort: Superior padding and fabrics for comfort, with stay-put harness pads to prevent neck rubbing.

1.

2-in-1 Design: Functions as a forward-facing harness booster and a belt-positioning booster accommodating children from 30 to 100 lbs.

2.

Lightweight: Easy to transfer between cars, making it ideal for carpooling and families on the move.

3.

Space-Saving: Narrow design allows for fitting three seats across the back seat, suitable for families with multiple children.

4.

Machine-Washable Pad: Comes with a removable seat pad that is both machine-washable and dryer-safe for easy cleanup.

1.

3-in-1 Harness Booster: Versatile design transitions from a forward-facing harness to a highback and backless booster.

2.

Growth Accommodation: Suitable for children from 22 to 120 lb, adapting as your child grows.

3.

No-Rethread Harness System: Headrest and harness adjust together easily without rethreading.

4.

Modern Design: Features an updated, sleek look with quilted soft goods for enhanced comfort.

5.

InRight LATCH System: One-second attachment with an audible click for a quick, secure installation.

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Versatile Booster Modes: Harness, high-back, and backless booster options.

2.

Superior Side Impact Protection: Cushioned padding for enhanced safety.

3.

Adjustable Safety Harness: 5-point harness with padded shoulders and crotch covers.

4.

Customizable Fit: 3 harness height positions with arm rests.

5.

Convenient Cup Holders: Two holders for different sized cups.