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Britax Boulevard 65 TSIP Convertible Car Seat, Onyx (Prior Model)

3.4 out of 5 stars 26 customer reviews

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About the product
  • 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
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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

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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
Customer Reviews 3.4 out of 5 stars 26 customer reviews
Best Sellers Rank #203,728 in Baby (See top 100)
Shipping Weight23.6 pounds
Domestic Shipping Currently, 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.
International Shipping This item is not eligible for international shipping. Learn More
Warranty & Support

Product Warranty: For warranty information about this product, please click here
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