Best harmony defender 360 3-in-1 combination booster car seat
Best results for harmony defender 360 3-in-1 combination booster car seat
Graco Tranzitions 3-in-1 Harness Booster Convertible Car Seat, Basin
$91.45
$129.86
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- 3-in-1 harness booster helps protect your child, from toddler to youth
- harness booster (22 - 65 lb), high back booster (30 - 100 lb), backless booster (40 - 100 lb)
- Simply Safe Adjust Harness System adjusts the height of your harness and headrest in one motion
- one-hand, 5-position adjustable headrest easily adapts for your growing child
- Buckle may be cleaned with a damp cloth
- Engineered &
Britax Pioneer Combination Harness-2-Booster Car Seat, Oasis
$189.99
$216.59
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- SafeCell Impact Protection is a safety system including a steel frame, energy-absorbing base and patented V-shaped tether.
- 2 layers of Side Impact Protection are formed by a deep energy-absorbing shell, quick-adjust head protection absorb energy and shield your child from the most severe type of collision.
- Easy-on/off Lower Anchors lock into place with a click and are easily released with the push of a button.
Evenflo Maestro Sport Harness Booster Car Seat, Granite
$79.99
$90.39
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- 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
Evenflo EveryStage DLX All-in-One Car Seat, Kids’ Rear-Facing Seat, Convertible & Booster Seat, Grows with Child Up to 120 lbs, Angled for Comfort & Safety, 3-Times-Tighter Installation, Canyons Gray
$206.49
$227.14
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- ROCK-SOLID ALL-IN-ONE CAR SEAT: The Evenflo EveryStage DLX All-in-One Car Seat features an innovative EasyClick LATCH system that easily ratchets to achieve a tighter installation for a wiggle-free seat and superior protection.
- ADJUSTS TO MULTIPLE POSITIONS: Our Evenflo DLX all-in-one car seat features a no-rethread harness, which can easily adjust the harness fit. It also can adjust to multiple positions without having to extend the seat or cramp other passengers.
Graco Nautilus 65 LX 3-in-1 Harness Booster Featuring TrueShield Technology
$173.58
$206.56
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- Integrated harness storage compartment holds unused harness straps while in the belt positioning booster mode
- One-hand, 5-position adjustable headrest is easy to use and adapts for your growing child
- Keeps your child in a booster up to 120 lb for longevity of use, in keeping with American Academy of Pediatrics' recommendations
- Fuss Free harness storage holds the buckle out of the way, so it's easy to get baby in and out
Cosco Topside Booster Car Seat – Easy to Move, Lightweight Design (Turquoise)
$19.99
$21.99
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- SECURE FIT - The Cosco Topside Booster Car Seat gives your little one the extra height they need so that your car's seat belt will fit safely and securely on them
- SUITABLE FOR 40-100 POUNDS - The seat is designed to hold children weighing between 40 and 100 pounds and from 43″ to 57″ in height
- EXTRA COMFY PLUSH PAD - The booster helps make long rides more comfortable thanks to the plush padding on the seat
Evenflo EveryStage DLX All-in-One Car Seat, Rear-Facing Seat, Convertible & Booster Car Seat, Grows with Child Up to 120 lbs, Angled for Comfort & Safety, 3-Times-Tighter Installation, Mira Pink
$199.99
$263.99
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- RELIABLE ALL-IN-ONE CAR SEAT: The Evenflo EveryStage DLX all-in-one car seat features an innovative EasyClick LATCH system that easily ratchets to achieve a tighter installation for a wiggle-free seat and superior protection
- INFANT + BOOSTER + CONVERTIBLE: This all-in-one car seat is a genuine 3-in-1 solution. It can be used as a rear-facing harness, forward-facing harness, and belt-positioning booster that provides a safe and secure ride for up to a decade
Britax Pioneer Combination Harness-2-Booster Car Seat, Domino
$530.00
$768.50
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- Toddler to Big Kid: Easily transition from harness to belt-positioning booster as your child grows
- Easy Installation: Use LATCH connectors or the vehicle seat belt to secure the car seat
- No rethreading, ever: Quick-adjust 9-position harness for a comfortable, secure fit
- Surrounded in safety: 2 layers of side impact protection, steel frame, impact absorbing base, and forward-movement reducing v-shaped tether
Cosco Finale DX 2-in-1 Combination Booster Car Seat (Dusk)
$60.97
$72.55
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- The Cosco Finale DX 2-in-1 Combination Booster Car Seat features a five-point safety harness that converts to a belt-positioning booster seat as your child grows , IIHS Best Bet rating for use in booster mode
- With extended use in both of its two modes, this car seat accommodates children from 30 to 65 pounds forward-facing with a harness, and as a belt-positioning booster for toddlers and older kids 40 to 100 pounds
Graco Atlas 65 2 in 1 Harness Booster Seat | Harness Booster and High Back Booster in One, Nyssa
$79.99
$95.19
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- Two seats in one: Five point harnessed front facing car seat and highback belt-positioning booster
- Converts from five point harnessed car seat (22 - 65 lb.) to highback belt-positioning booster (30 - 100 lb.)
- Simply Safe Adjust Harness System adjusts the height of your harness and headrest, in one motion, to ensure that your child is always properly secured
- Engineered & crash tested to meet or exceed US standard FMVSS 213
Safety 1st Grow and Go 3-in-1 Convertible Car Seat (Blue Coral)
$149.99
$218.99
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- Built to grow with your child, this Safety 1st car seat supports infants from five pounds to toddlers of 40 pounds as a rear-facing car seat, 22 to 65 pounds forward-facing toddler car seat, and 40 to 100 pounds as a belt-positioning booster
- An adjustable three-position recline makes it easy to get a good fit for the seat in your car , Assembled Product Dimensions 24.00 in x 19.00 in x 23.75 inches
Evenflo Chase Harnessed Booster, Jameson
$64.99
$79.29
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- This 2-in-1 Combination Booster Car Seat fitting children from 22-110 lbs. converts from a 5-point harnessed to belt-positioning car seat allowing for extended use for your child
- The Chase LX Combination Booster Car seat helps protect harnessed children from 22-40 pounds(Height: 28 - 50 inches) and belt-positioned children from 40-110 pounds(Height: 43.3 - 57 inches)
- Age: At least four years of age
- This lightweight Combination Booster Car Seat comes equipped for LATCH systems allowing for easy installation and transfer between multiple vehicles
Graco Nautilus 65 LX 3 in 1 Harness Booster Car Seat, Matrix
$169.99
$226.09
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- 3-in-1 harness booster helps protect your child, from toddler to youth
- Front facing car seat harness booster (22 - 65 pound), high back booster (30 - 100 pound), backless booster (40 - 100 pound)
- Simply Safe Adjust Harness System adjusts the height of your toddler car seat harness and headrest, in one motion, to ensure that your child is always properly secured
- 3-position recline helps keep your growing child comfy. children should use the built-in harness system for as long as possible until they reach the maximum forward-facing weight or height for their car seat, and after reaching the maximum forward-facing weight and height, that children 4 feet 9 inches tall or under should ride in a belt-positioning booster seat
Safety 1st Guide 65 Convertible Car Seat, Chambers
$89.99
$117.89
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- The guide 65 is a perfect fit for smaller cars and helps protect your child longer in both rear and forward facing positions
- Rear-facing 5-40 pounds and 19".Multi position head rest for growing children
- Forward-facing 22-65 pounds and 34"-52"
- Compact design for small cars. Anti-rebound bolsters. Seat pad is hand washable
- 5 harness heights and 3 buckle locations for proper fit
Evenflo Evolve Platinum 3-in-1 Combination Booster Seat, Dreamer
$119.99
$171.59
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- VERSATILE, 3-in-1 DESIGN: The Evolve Platinum Booster Seat offers a 3-in-1 design that can function as a harness booster, high back booster, or a no back booster seat supporting children from 22-120 pounds and infant or toddler ages of at least 12 months
- TESTED &
- TRUSTED: In addition to meeting or exceeding all applicable federal safety standards, this car seat also passes Evenflo's comprehensive Side Impact and industry leading Rollover Test Standards
Graco Nautilus 65 3-in-1 Harness Booster Car Seat, Sully, One Size
$142.49
$162.44
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- 3-in-1 harness booster helps protect your child from toddler to youth
- Front facing car seat harness booster (22 - 65 lb.), high back booster (30 - 100 lb.), backless booster (40 - 100 lb.)
- Simply Safe Adjust Harness System adjusts the height of your harness and headrest in one motion, to ensure that your child is always properly secured
- 3-position recline helps keep your growing child comfy
- Side-impact tested for occupant retention with built-in 5-point harness system
Evenflo Maestro Booster Car Seat Thunder
$421.20
$610.74
Amazon.com
Last update was on: October 31, 2025 8:37 pm
- This 2-in-1 Combination Booster Car Seat fitting children from 22-110 lbs. converts from a 5-point harnessed car seat to belt-positioning booster allowing for extended use as your child grows
- The Maestro Harness Booster Car seat helps protect harnessed children from 22-50 pounds and belt-positioned children from 40-110 pounds
- This lightweight Booster Car Seat comes equipped for LATCH systems allowing for easy installation and transfer between multiple vehicles
