10 Best Harness Booster Seat of August 2025

• 3-in-1 harness booster helps protect your child, from toddler to youth
• Grows with your child from forward-facing harness (22-65 pounds) to highback booster (40-100 pounds) to backless booster (40-100 pounds) to continue to meet industry standards, we have increased the weight minimum from 30 to 40 pounds
• No-rethread simply safe adjust harness system allows the headrest and harness to adjust together in one motion
• Lightweight, portable seat is ideal for busy, active parents
• One-hand, 8-position adjustable headrest grows with your child
• 2 easy-to-clean cup holders keep your child's drinks and snacks close at hand
• Open-loop belt guides help properly position your vehicle’s seat belt
• Seat pad, body support, and harness covers are comfortable and machine washable
• Graco ProtectPlus Engineered: A combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear & rollover crashes
• Meets or exceeds the child restraint criteria for a frontal crash test under the US FMVSS 213

Graco

• Converts from 5-point harness to belt-positioning booster
• Duo Guard side-impact protection for head and torso, and steel-reinforced frame
• 4-position recline, 9-position headrest, and deep Ergo Boost seat with padding/contour
• Premium LATCH connectors and Lock Sure belt-tightening system for easy installation
• 2 dishwasher-safe Cup Folders with push-button removal

Chicco

• 2 Modes - Converts to Booster: Forward-facing Harness to Belt-Positioning Booster supports children 22-110 lbs
• 5-Point Harness with 50 lb. Limit: Holds child's body safely and securely in car seat
• Up-Front Harness Adjust: Central, front access to harness adjuster provides an easy way to adjust child's harness for an accurate, snug fit
• Shoulder Belt Guide: Automatically positions the vehicle belt in the proper position for your child
• Shoulder Belt Guide: Automatically positions the vehicle belt in the proper position for your child

Evenflo

• Trusted quality, upgraded design: Looking for pioneer? Grow with you is our newest harness to booster car seat
• 2 in 1 booster seat: Easily transitions from forward facing harness mode to belt positioning booster mode as your child grows from toddler to big kid
• Premium fabrics: Nap friendly padding and fabrics for superior comfort & a quiet ride. Headrest Fully Extended Height: 35.5 inch
• More comfort: Soft comfort pads keep your child's neck from rubbing against the harness strap. Gender - unisex
• Surrounded in safety: 2 layers of side impact protection, steel frame, impact absorbing base and forward movement reducing V-shaped tether

BRITAX

• Extended Use: forward-facing with harness, 30-65 pounds and Belt-positioning Booster, 40-120 pounds
• Designed to fit 3 ACROSS in most vehicles - Great for growing families and car pools
• Lightweight and easy to move from car to car
• Deluxe fabric gives kids a comfy ride
• Adjustable headrest allows for customizable support

Safety 1st

• "Stage 1: Weight 22-50 lbs Height 29"" -48"" Stage 2: Weight 30-100 lbs Height 38""-50"" Stage 3: Weight 40-100 lbs Height 42""-57"""
• Seat pad, body insert, and harness covers are removable and hand-washable
• The weight range for the product recommended is 22 pounds to 100 pounds
• Convenient multi-size cup holders for drink and snack
• Multiple-position head support provides superior side impact protection
• Comfortable body insert ensures that small children fit snugly in the seat
• One-hand front harness adjuster
• 100-pound weight capacity means the seat will provide years of safety for your growing child
• Plush, padded arm rests provides extra comfort
• Please refer page 57 in the instruction manual defines the proper method to remove the chest clip
• Built-in 5-point safety harness for children 22-50 pounds, with 6-position head support provides superior side impact protection
• The Baby Trend booster car seat for children 30-100 pounds as high-back booster
• For children 40-100 pounds as backless booster

Baby Trend

• Converts from 5-point harness to belt-positioning booster
• DuoGuard head & torso protection and a steel-reinforced frame.Care & Cleaning: Hand Wash
• 4-position recline, 9-position headrest, and contoured ErgoBoost seat with dual-density padding
• Premium LATCH connectors and LockSure belt-tightening system for easy installation
• 2 dishwasher-safe CupFolders with push-button removal

Chicco

• 3-in-1 car seat grows with your child from rear-facing harness (5-40 lb) to forward-facing harness (22-65 lb) to highback booster (40-100 lb)
• Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that help to protect your child in frontal, side, rear & rollover crashes
• No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together in one motion
• Choose the perfect headrest height from 10 positions to get the safest fit for your growing child
• 6-position recline keeps your child comfy and helps for a better installation

GRACO

• This 2-In-1 combination booster car seat fitting children from 22-110 pounds. converts from a 5-point harnessed to belt-positioning car seat allowing for extended use for your child
• Upfront Harness Adjust: Central, front access to harness adjuster provides an easy way to adjust child's harness for an accurate, snug fit
• This lightweight combination booster car seat comes equipped for latch systems allowing for easy installation and transfer between multiple vehicles. Do not use abrasive cleaners or solvents.
• Buckle Positions: 2 crotch buckle positions to adjust for more seating space as child grows
• Integrated cup holders keep drinks close without increasing the width of the car seat, allowing multiple car seats to fit your back seat. Harness booster age at least two years of age. Fit Tip: Childs ears are below top of child restraint headrest. Seat belt booster age at least four years of age

Evenflo

• Extended Use: Forward-facing with harness 30-65 pounds and Belt-positioning Booster 40-100 pounds
• Designed to fit 3 across in most vehicles – Great for growing families and car pools
• Lightweight and easy to move from car to car
• Dishwasher-safe cup holder detaches for use on either side of seat
• Easy-to-clean with machine washable and dryable fabrics

Cosco