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  • Britax Boulevard 65 TSIP Convertible Car Seat, Onyx
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Britax Boulevard 65 TSIP Convertible Car Seat, Onyx

Currently unavailable.
We don't know when or if this item will be back in stock.
  • Convertible, rear facing five to 35 pounds and forward facing from at least one year old and 20 pounds up to 65 pounds
  • Deep side walls and adjustable head support provide true side impact protection to distribute crash forces, minimize lateral head movement
  • Quick-adjust headrest and harness height re-positions effortlessly without having to uninstall the seat
  • Tangle-free, five-point harness with multiple harness heights for a snug and secure fit
  • Patented Versa-Tether, energy managing top tether, anchors top of seat to the vehicle, reducing movement in the event of impact
See more product details

Product Information

Technical Details
Item Weight19 pounds
Product Dimensions25.5 x 19.5 x 27 inches
Item model numberE9L7469
Minimum weight recommendation5 Pounds
Maximum weight recommendation65 Pounds
Additional Information
Best Sellers Rank #76,756 in Baby (See top 100)
Shipping Weight23.6 pounds
ShippingCurrently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
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Product Description

Product Description

Transport little ones safely with this car seat that can be positioned facing forward or backwards. Adjust the set up to match your child's stage of development.


  • Rear-Facing for children 5 lbs. to 35 lbs.
  • Front-Facing for children 1 year and 20 lbs. up to 65 lbs.
  • Patented Versa-Tether
  • Easy and infinite head pad and harness height adjustment
  • Built-in lock-offs
  • Infant body pillow for a cozy fit
  • Belt holders keep belts aside for boarding
  • Belly pad for comfort and protection
  • Removable, washable fabric cover
  • Sculpted base for a perfect fit
  • Flexible buckle LATCH system
  • One-hand recline adjustment
  • True Side Impact Protection
  • Extra comfort padding in head area
  • Patented HUGS system
  • Tangle-free, polyester 5-point harness
  • One-pull front harness adjustment

Designed to keep your child safe, secure and comfortable in the car, the Britax Boulevard Convertible Car Seat (Onyx) features easy installation, True Side Impact Protection, and innovative details for your child's comfort and safety. This seat fits children in the rear-facing position from 5 to 35 pounds and children in the forward-facing position starting at one year old and 20 pounds, up to 65 pounds.

callout box top

The Boulevard
Convertible Car Seat
At a Glance:
  • Age/Weight/Height Requirements:
    In rear-facing position, fits children weighing 5 - 35 pounds; in forward-facing position, fits children 1+ years old weighing 20 - 65 pounds
  • Warranty:
    6-year product life; 1-year limited warranty
  • Certifications:
    Certified for aircraft travel in harness mode only
Ideal for:
  • Who:
    Parents and caregivers
  • What:
    Superior Side Impact Protection and keeping children safe and secure in the car
  • Where:
    Car, minivan, and SUV
callout box bottom
Built-in lock-offs

The Quick-Adjust Head Restraint and No-Rethread Harness allow you to easily adjust the harness height and headrest to fit your child. View larger.
Britax Boulevard Convertible Car Seat (Onyx)True Side Impact Protection for Advanced Security
Offering True Side Impact Protection, this seat delivers superior protection if you happen to face an unexpected side-impact accident. If such an event takes place, the solid head support and deep side walls work efficiently to distribute crash forces, shield the child from vehicle intrusion, contain the head and body, and keep the head, neck and spine aligned to limit injury.

Superior 360-Degree Protection to Minimize the Risk of Injury
In addition to True Side Impact Protection, the Boulevard offers a range of superior crash force management features to keep your child properly positioned and protected. First, the patented, energy-absorbing Versa-Tether has staged-release tether webbing, anchoring the top of the seat at two points to minimize forward movement. For growing babies, the easy-adjust, tangle-free five-point harness offers infinite harness height adjustments for a snug, custom fit.

For additional protection, the Harness Ultra Guard System (HUGS) reduces forward head movement, while both the EPS foam liner and base are designed to absorb energy and distribute forces in the event of an unexpected impact.

Superior Fit and Comfort Features
Whether children are watching the world go by or snuggling in for a nap, they'll enjoy that the Boulevard reclines in both the forward and rear position. With additional features which include high-density comfort foam for extra padding, a plush cover set with a matching belly pad for comfort, and an infant body pillow for a custom fit, they'll always ride in style and comfort.

Superior Ease-of-Use for Safety and Convenience
Packed with perks for parents, the Boulevard includes an easy-turn knob that adjusts the headrest and harness height without requiring you to uninstall the seat, and a front harness adjuster allows for easy loosening of the harness. Premium push-button lower LATCH connectors offer a quick, simple, and tight installation, while built-in lock-offs secure the vehicle seat belt so that the car seat does not move more than one inch side-to-side or front-to-back at the belt path.

The Britax Boulevard Convertible Car Seat is available in the following patterns: Onyx, Barrington, Huntington, and Shannon.

The Britax Boulevard Convertible Car Seat is backed by a one-year limited warranty.

What's in the Box
One Britax Boulevard Convertible Car Seat and manual.

Boulevard Convertible Car Seat

Customer Reviews

Straps are easy to adjust and tighten and loosen.
For me though, something like a car seat is a safety feature that is worth paying extra for.
Amazon Customer
These car seats are very sturdy, safe, easy to install, comfortable and beautiful.
Emma Marshall

Most Helpful Customer Reviews

94 of 95 people found the following review helpful By Jami M. Lorenz on July 28, 2009
This carseat was a god-send, my husband was in a rollover accident with my son in the car in his Britax Boulevard carseat. Thanks to the car (subaru WRX) and the carseat, my son emerged from the car unscathed and said "Dad, your car is broken". The carseat had no stress marks and the tether indicator made it easy to verify that the webbing had not been damaged in the wreck. I'm not sure if the side impact made the difference, but the fact is my son was totally untouched and had no pain or whiplash after a high-speed complete rollover accident on the freeway. I highly recommend this carseat!!!
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54 of 54 people found the following review helpful By Justbooking TOP 500 REVIEWERVINE VOICE on May 23, 2009
When my son started outgrowing the Roundabout, I tried the Boulevard and was very surprised to see that it actually fit well in our 2004 Subaru Forester, which has a notoriously small, narrow back seat. Install was easy and rock-solid.

Although the Boulevard "looks" huge in the store, it's OK once installed rear-facing because the base is very compact. Also, this car seat has a small footprint so it doesn't hang off the edge.

Side to side, the Marathon and the Boulevard are about the same size. The Boulevard is actually smaller than the Graco Sport car seat, which has a very large base and could not be secured tightly in the Forester. Seat depth from the back to the crotch strap is 6" for the Marathon, 6.5" for the Boulevard and 7" for the Roundabout, so if you have a boy, go for the Boulevard.

Although the front passenger seat of my car is moved forward more than I'd like, I can still sit there in a pinch (I'm 5'8" and my knees are 2" from the glove compartment, with the seat very upright). In back, the car seat takes up the whole right seat (there's not much of a "center seat" anyway), so there's really only room for an adult behind the driver. I must clarify that this happens with any car seat I've tried - the problem is the size of the back seat, not the car seat.

The Boulevard car seat will not fit rearfacing behind the driver's seat in my small car. Front-facing, the size of the Boulevard is not an issue.
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49 of 49 people found the following review helpful By Kevin Nicholls TOP 500 REVIEWERVINE VOICE on April 1, 2009
Verified Purchase
We ordered the Boulevard in the Madison design last week, after looking at the Britax Marathon, we decided to go for a seat with the better side-impact protection.

The first thing I noticed when it arrived was that the thing is absolutely huge. I had an opportunity to see it in a store after buying it, and the Boulevard seriously dominated the shelf. The next thing I noticed was that the build quality is incredible.

Admittedly, I was a bit hesitant about buying in to the almost cult-like following Britax has, but the Boulevard really is the most serious safety seat I have ever seen. And after reading a few posts about Britax seats, and the (alleged) importance of manufacturing dates, I can say that the seat we received from Amazon (not a third party seller) had a manufacture date of 02/27/2009, and we received it on 03/30/2009 -- so no need to worry about buying an "older" seat.

A few tips for potential buyers:

1) Look at this seat in the store before you buy, especially if your back seat is small. Make sure you understand exactly how big this thing is.

2) The instruction manual is designed to be permanently affixed to the car seat. Fortunately, I read the manual before nearly breaking the protective foam that its cord is covered by.
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16 of 16 people found the following review helpful By M. Turner on December 1, 2008
Color Name: Barrington Verified Purchase
I purchased this car seat for my 3-year-old daughter. It was an upgrade from the Britax Roundabout, which we have had since she was 10 months. The Boulevard provides a very safe and comfortable ride for her. The HUGS system, with the ribbing under the padding feature, makes it that she can't slide around easily once harnessed. Her head is protected from the Side Impact Protection if she falls asleep. I like the colors and design of the Barrington -- they go with any car decor, are smart looking, and conceal dirt due to the dark colors.

I have a few minor issues with this car seat. One is as was mentioned in other reviews, the crotch strap is very short (the one in our Roundabout was a little longer and posed no problems). I usually have to dig for it under my daughter once she gets in the seat, which she does not particularly enjoy. Two, the deep side walls obstruct her view somewhat when looking to the extreme right or left. This is only a minor issue, as I value the protection her head gets with the Side Impact Protection. And third, as with our other Britax, when you (hand) wash the car seat cover, it can take a long time to dry. So you either have to have another car seat handy to put your child in while it dries, or are just unable to use the car seat until it is dry.

Overall, I am very happy with the Boulevard and would highly recommend it. It was worthwhile to me to spend the extra money for a more luxurious and safe car seat that my daughter would enjoy riding in. No complaints from her as far as comfort goes -- a big deal if you're in the car for a while!
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Most Recent Customer Reviews