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New Safety Ratings Released For Booster Seats

Parents have some new guidance this year in terms of choosing the best booster seat to protect their child.

The Insurance Institute for Highway Safety (IIHS) earlier this month issued its new ratings for booster seats, designating a record 31 brands as “Best Bets” out of the 83 that it evaluated.

The designation Best Bet means that the seat correctly positions a vehicle safety belt on a typical 4- to 8-year-old in almost any car, minivan or SUV. And one doesn’t have to spend top dollar to get one of the Best Bets: Prices for these top-rated seats range from less than $15 to several hundred dollars.

In addition to the 31 Best Bets, another five seats qualified as Good Bets, meaning they provide acceptable belt fit in most vehicles. Six boosters weren’t recommended because they don’t provide proper belt fit. The IIHS advised consumers to avoid them.

Booster seats are for children who have outgrown forward-facing child restraints. A booster should elevate a child and route the lap and shoulder belts, which are designed for adults, in the correct position to restrain a child during a crash, according to the IIHS.  Some boosters do this better than others, but the problem is that consumers can’t tell a good booster from a bad one just by comparing features or prices.

The IIHS’s booster seat ratings, initiated in 2008, are the only evaluations to tell parents which boosters do the best job of improving belt fit for children in the widest range of vehicles.

“A Best Bet means any of these top-rated boosters should work well in the family SUV or the babysitter’s sedan,” Anne McCartt, IIHS senior vice president for research, said in a prepared statement.

Engineers evaluated 62 booster models in the latest round. Twenty-one of them show up twice in the lists. These are dual-use seats, which can work as highback or backless boosters. In the ratings, each dual-use model was considered to be two separate boosters for a total of 83 seats evaluated, 11 more than last year.

The biggest group of boosters fell into a middle category, designated “check fit.” These 41 seats may provide good fit for some children in some vehicles, but not as many as Good Bets or Best Bets. Parents are advised to make sure the lap belt lies flat across a child’s upper thighs and the shoulder belt crosses snugly over the middle of the shoulder. If not, a different seat is needed.

The focus of the IIHS’s ratings is belt fit, not crash performance, and no crash tests are conducted as part of the evaluation. To assess belt fit, engineers use a test dummy representing an average-size 6-year-old. They measure how lap and shoulder belts fit the dummy in each booster under four conditions representing the range of belt configurations in real-world vehicles.

Boosters have improved a lot in recent years, according to the IIHS. In 2008 there were 10 Best Bets. That fell to nine in 2009 but soared to 21 last year after manufacturers began using the IIHS’ss test protocols as they designed and updated their seats.

“Just four years into our ratings program, parents have a wide variety of top-rated seats to choose from,” McCartt said. “Still, boosters that don’t consistently provide good belt fit outnumber the ones that do, so consumers need to keep paying attention to this issue.”

One thing consumers need to be aware of is that most dual-use boosters have different ratings for each mode, according to the IIHS. For example, 14 dual-use boosters are Best Bets or Good Bets in highback mode but are designated check fit in backless mode.

For one seat, the Evenflo Big Kid Sport, the opposite is true: It’s a Best Bet in backless mode and a check fit in highback mode.  

The Harmony Dreamtime remains the only dual-use booster that’s a Best Bet in both modes, while the Combi Kobuk Air Thru is a Good Bet in both modes.

A newcomer to the Best Bet list was the BubbleBum, an inflatable seat that’s marketed for vacations, car pools, and taxis, as well as everyday use. When needed, it can be quickly inflated by blowing into a valve at the back of the seat.

Among booster manufacturers, Harmony Juvenile Products continues to be a standout. All five seats the Canadian company currently makes, counting the Dreamtime in both modes, are Best Bets. The company is discontinuing the dual-use Baby Armor, which was a Best Bet in highback mode but not recommended in backless mode.

Diono, which recently changed its name from Sunshine Kids, bumped an existing seat, the Monterey, from check fit to Best Bet by changing the shoulder belt guide.

The new ranking applies when the dual-use seat is used in highback mode. The booster remains a “check fit” in backless mode. Consumers should look for Montereys manufactured after July 2011 to ensure they are getting the newer version.

Meanwhile, the Evenflo Symphony 65, which has been a Good Bet since 2009, now has a sister seat, the Symphony 65 e3. It has a slightly different shoulder belt guide, and that makes enough of a difference to make it a Best Bet.

“Booster manufacturers often use similar names for different seats or, in the case of the redesigned Monterey, even the same names,” McCartt said. “It’s important for consumers to look at model numbers and manufacture dates when consulting our ratings.”

 Here are the 2011 IIHS rankings:


Britax Frontier 85
Britax Frontier 85 SICT
Britax Parkway SGL (highback mode)
Chicco KeyFit Strada (highback mode)
Clek Oobr (highback mode)
Cosco Pronto (highback mode)
Cybex Solution X-Fix
Diono/Sunshine Kids Monterey (highback mode)
Eddie Bauer Auto Booster (highback mode)
Evenflo Big Kid Amp
Evenflo Big Kid Sport (backless mode)
Evenflo Maestro
Evenflo Symphony 65 e3
Ferrari Dreamway SP (highback mode)
Graco Argos 70 (highback mode)
Graco TurboBooster – Baldwin (highback mode)
Graco TurboBooster Elite (highback mode)
Harmony Cruz Youth Booster/Harmony Carpooler
Harmony Dreamtime (backless mode)
Harmony Dreamtime (highback mode)
Harmony Olympian/Secure Comfort Deluxe
Harmony Youth Booster Seat
Kids Embrace Dale Earnhardt Jr.
Maxi-Cosi Rodi XR (highback mode)
Recaro ProSPORT
Recaro Vivo
Safety 1st Boost Air Protect (highback mode)
Safety 1st S1 Rümi Air
The First Years B570 Pathway


Britax Parkway SG (highback mode)
Combi Kobuk Air Thru (backless mode)
Combi Kobuk Air Thru (highback mode)
Evenflo Symphony 65
Maxi-Cosi Rodi (highback mode)


Evenflo Chase
Evenflo Express
Evenflo Generations 65
Evenflo Sightseer
Safety 1st All-in-One
Safety 1st Alpha Omega Elite


Attorney Gordon Johnson :: :: :: Facebook :: 800-992-9447
Past Chair Traumatic Brain Injury Litigation Group, American Association of Justice

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