9 Best Harness Booster Seats 2024 in the US

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.

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.

2.

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.

5-Point Harness Security: Provides optimal protection with five secure points.

2.

3 Harness Positions: Adjustable shoulder straps for different ages and heights.

3.

Two Mode Options: Converts from a harness car seat to a belt-positioning booster.

4.

Safety Certifications: Exceeds FMVSS 213 and rated 'Best Bet' by IIHS.

5.

Added Comfort: Adjustable headrest with EPS foam and two cup holders.

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: 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.

2-in-1 Design: Easily converts from a 5-point harnessed to belt-positioning car seat to grow with your child from 22-110 lbs.

2.

Upfront Harness Adjust: Central, front access to harness adjuster for quick and accurate harness fitting.

3.

LATCH Equipped: Lightweight design with LATCH system for easy installation and portability between vehicles.

4.

Adjustable Buckle Positions: Features 2 crotch buckle positions to provide more space and comfort as the child grows.

5.

FAA Certified: Meets FAA Inversion requirements for airplane use when used with the 5-point harness.

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.

1.

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.

1.

3-in-1 Harness Booster: Transitions from forward-facing harness (30–65 lbs. and 34”–49”) to high-back and backless booster modes (40–100 lbs. and 43”–57”), providing extended usability as your child grows.

2.

Adjustable Headrest: Features a one-handed, 7-position adjustable headrest to accommodate your growing child.

3.

Dishwasher-Safe Cup Holders: Includes removable cupholders that are easy to clean and dishwasher safe, ensuring convenience and hygiene.

4.

Fits 3 Across: Designed with a narrow build to fit three seats across in most standard back seats, optimizing space without compromising comfort.

5.

Lightweight & Portable: Easy to move and carry, making it convenient for families on the go.