10 Best 5 Point Harness Booster Seat 2025 in the United States

The Graco Tranzitions 3 in 1 Harness Booster Seat offers a versatile solution for parents looking for a seat that can grow with their child. It is designed to accommodate children from 22 to 100 pounds, transitioning from a forward-facing harness to a highback booster and finally to a backless booster. This extended weight range makes it a long-term investment, suitable for toddlers to older children.

The No-Rethread Simply Safe Adjust Harness System is a standout feature, simplifying the process of adjusting both the headrest and harness in one motion, ensuring a secure and comfortable fit as your child grows. The seat is lightweight and portable, which is ideal for parents who need to move it between vehicles frequently. Installation is done using your vehicle’s seat belt, aided by the open-loop belt guides for proper positioning.

For comfort, the seat includes an 8-position adjustable headrest and machine-washable seat pad, body support, and harness covers. Two cup holders add convenience for snacks and drinks. Safety is a priority with the Graco ProtectPlus Engineering, which includes rigorous crash testing to protect in various crash scenarios. The seat is only forward-facing, which may be a limitation for parents looking for a rear-facing option. Additionally, while the seat is adjustable, some users might find it less padded compared to other models, potentially affecting long-term comfort.

The Chicco KidFit Zip Plus is a versatile 2-in-1 booster seat designed for children aged 4 and up, supporting weights from 40 to 110 pounds and heights from 38 to 57 inches. It offers solid safety features, including DuoGuard protection with a rigid shell and energy-absorbing foam, plus a 10-position headrest that adjusts comfortably from the waist area rather than the neck.

Installation is user-friendly with its premium LATCH system and a one-pull tightener to secure the seat firmly, which also makes transferring the seat between vehicles quick and easy. The seat itself is thoughtfully designed for comfort, featuring a contoured seat with triple-foam padding and a backrest that adjusts to two positions to better fit your vehicle's seat. Convenience is enhanced by zip-off cushions that are machine washable and removable dishwasher-safe cup holders that also serve as small storage compartments.

This booster uses a 3-point harness system rather than a 5-point harness, which may be a consideration for those specifically seeking the latter for younger children or greater restraint. While the seat is lightweight at 10 pounds, some users might find it a bit bulky depending on their vehicle size. Families will find this booster seat a reliable, comfortable, and easy-to-clean option with strong safety features suitable for older kids transitioning to belt-positioning boosters.

The Graco 4Ever DLX 4-in-1 car seat is designed to grow with your child from infancy through booster seat stages, offering up to 10 years of use. It covers a broad weight range, supporting children from 4 pounds (rear-facing) up to 100 pounds (backless booster), and up to 52 inches tall, which means you won’t need to buy multiple seats as your child grows. Its 5-point harness system is easy to adjust with the Simply Safe Adjust feature, letting you raise the harness height in one smooth motion across 10 positions, which is handy for keeping a secure fit as your child grows. Installation is user-friendly with the InRight LATCH system and integrated belt lock, helping you secure the seat firmly with either the seat belt or LATCH anchors. The seat also has a 6-position recline to improve comfort during rides.

Safety is a highlight, with Graco’s ProtectPlus Engineered technology that protects against frontal, side, rear, and rollover crashes, adding peace of mind. The included RapidRemove cover is a big plus—it’s machine washable and can be taken off quickly without uninstalling the seat, making cleanup simpler. On the downside, the seat is somewhat heavy at almost 23 pounds, which might make it less convenient to move between vehicles frequently. Also, while the seat fits a wide size range, the bulk and dimensions may be a consideration in smaller cars.

For families looking for a long-term, versatile car seat with strong safety features and ease of use, the Graco 4Ever DLX stands as a solid choice that combines multiple seat stages into one, reducing the hassle of transitioning between different seats.