The B-Safe Ultra Infant Car Seat is designed for safety, comfort and mobility. Easily and securely install the car seat with a base or without using the European Belt Guide. Two layers of side impact protection plus the patented Britax SafeCell Impact Protection system means your baby is surrounded in safety. Click & Go allows you to pair the car seat with select Britax strollers.

• 2 Layers of Side Impact Protection with deep foam-lined shell and quick-adjust head protection, absorb energy and shield your child.

• SafeCell Impact Protection is a safety patented safety features including SafeCell® Impact-Absorbing Base and Impact Stabilizing Steel Frame.

• Flip-forward belly pad maximizes your baby’s comfort and provides easy access to harness buckle.

• European Belt Guide provides an easy installation without a base - perfect for travel or city living

• Quick-adjust, no rethread harness makes it easy to change the harness height as your child grows.

• Easy SafeCenter LATCH with Easy-on / Easy-off Lower Connectors make it simple to tighten and secure the infant car seat base in your vehicle.

• Spring-Assisted Recline and Dual Level Indicators make selecting the proper installation angle simple and easy.

• Built-in Lock-offs ensure a snug vehicle seat belt installation with minimal effort.

• Ergonomic handle is comfortable to carry with your hand or forearm.

• Proudly designed, tested and built in the USA with U.S. and global components for safety and quality

• Extra-large canopy protects your little one from the sun and rain.

• Contoured shell provides a comfortable, safe fit for your child.

• Easy-remove cover pulls free of the car seat for cleaning without having to remove the harness.

• Optional boot and removable body pad cushions your child and provides extra support.

• Easy-release harness button makes it simple to loosen harness straps.

Child Weight (lbs)

Rear Facing: 4 - 35

Child Standing Height (in)

32 or less

Child Seated Shoulder Height (in)

Rear Facing: 6.5 - 11

Product Weight - Car Seat Only (lbs)


Product Weight - Base Only (lbs)


Product Dimensions (in)

17.75W x 25H x 26.5D

Seat Back Compartment Height (in)


Seat Area Depth / Width (in)

13 / 8.75

Shoulder Width (in)


Harness Slot Heights (in)

5.5 / 6.5 / 8 / 8.75 / 10 / 11

Buckle Strap Depths (in)

4 / 6

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