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Britax Cypress

The Britax Cypress rear-faces up to 30 lb, is 16.9 in wide, and weighs 9.7 lb, per Britax. Britax's top infant carrier in its current lineup, with ClickTight installation, an Alpine base with a stability bar and an anti-rebound carry handle.

  • $379.99List price
  • 30 lbRear-facing to
  • 9.7 lbSeat weight
  • 16.9 inWidth
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When does it expire?

Follow Britax

All infant car seats

Cypress: key facts

  • The Britax Cypress rear-faces from 4 to 30 lb and up to 32 in tall, per Britax.
  • Outgrown by height: "when the top of child's head is at least 1 in (2.5 cm) below the top edge of head restraint"
  • It installs with ClickTight or LATCH.
  • Britax says it expires 6 years after the date of manufacture.
  • Britax lists it as certified for aircraft ("This Restraint is Certified for Use in Motor Vehicles and Aircraft.").
  • It's 16.9 in wide at the widest point and weighs 9.7 lb without the base.

From Britax's manual and published specs. Always follow the limits on your seat's labels.

How the Cypress stacks up

Against the 74 infant car seats we track. The shaded band is where the middle half of them fall; the dot is this one.

Expiration6 years

Within the typical range for infant car seats (6 years to 8 years).

This one
6 yearsmiddle 7 years10 years
Rear-facing limit30 lb6th highest rear-facing limit of 73

The same as most infant car seats (30 lb).

This one
22 lbmiddle 30 lb35 lb
Width16.9 in7th narrowest of 41

Within the typical range for infant car seats (16.9 in to 17.5 in).

This one
14.8 inmiddle 17.3 in19 in
Weight9.7 lb39th lightest of 58

Within the typical range for infant car seats (8.2 lb to 9.8 lb).

This one
6 lbmiddle 9 lb29 lb
Price$379.9936th lowest price of 58

Within the typical range for infant car seats ($219.99 to $449.99).

This one
$74.99middle $329.99$850

What sets the Cypress apart

Measured against the 74 infant car seats we compare, from each maker's published specs.

  • 7th narrowestof the 41 infant car seats with it published: 16.9 in
  • Weight: 9.7 lbin the middle half of the 58 infant car seats that publish it (8.2 lb to 9.8 lb)

Next to its closest matches

  • Cybex Aton G2Next to it, the Cypress is 0.6 in narrower; 0.7 lb heavier; $20 less; no load leg (the Aton G2 has it).
  • Clek LiingoNext to it, the Cypress is 3 years shorter before it expires; 0.7 lb heavier; $20 less; has base included (the Liingo doesn't).
  • Maxi-Cosi AmbraNext to it, the Cypress is 2 years shorter before it expires; 2.7 lb heavier; $20 less; no load leg (the Ambra has it).

Strollers named with the Cypress

1 stroller on Cribpicks is named with the Cypress in a maker's fit list. Listed stroller fit: Select Britax strollers.

StrollerHow it is listed
BOB Alterrain ProWith the Single Jogging Stroller Adapter for Select Britax Infant Car Seats with ClickTight

Matched by brand and model name. Fit can depend on the model year, so check yours with both makers.

Flying with the Cypress

Britax's label: “This Restraint is Certified for Use in Motor Vehicles and Aircraft.” It is 16.9 in wide at its widest point.

What airlines say about car seats:

  • American: “Each ticketed customer is allowed 1 stroller and 1 car seat to be checked free of charge” “If an unoccupied, adjoining seat is not available, the gate agent will check the safety seat to your final destination.” Source
  • Alaska: “We will transport your child's car seat and stroller free of charge as checked baggage.” Source
  • JetBlue: “Checking a child safety seat will not count towards your checked baggage allowance and there is no fee assessed” Source
  • Spirit: “One (1) car seat will be accepted per child as checked baggage at no charge.” Source
  • Frontier: “strollers and car seats can be checked for free.” Source
  • Allegiant: “There is no charge for checking or gate checking one car seat per fare-paying passenger.” Source
  • Breeze: “Child seats may be carried on board the aircraft if a seat has been purchased for the Infant or Child” Source

Quoted from each airline's page as of 2026-11-02.

Listed features

  • ClickTight belt install
  • Anti-rebound base bar and handle
  • Three padded inserts

Worth checking

  • Highest price of the Britax line
  • 30 lb limit

Where to buy the Cypress

Prices and availability change. We may earn a commission from some links.

good to know
  • Check for recalls: Search the agency's recall list with the model number and date code from the label: NHTSA recall search.
  • Car seat use and installation: see NHTSA's car seat page, which also lists free car seat inspection by certified technicians. Check the label and the maker's instructions, and ask your pediatrician about your child.

Full specs

Britax Cypress
TypeInfant car seat
List price$379.99
Rear-facing weight4–30 lb
Rear-facing heightUp to 32 in
Seat weight9.7 lb
Base weight10.2 lb
Width16.9 in
Head rulewhen the top of child's head is at least 1 in (2.5 cm) below the top edge of head restraint
Base includedYes
Newborn insertInfant Positioning Pillows (middle and lower): can be used with infants weighing less than 11 lbs (5 kg); Head Pad may be used with children who weigh between 4 and 30 pounds. Harness inner loop: maximum 11 lbs (5 kg).
InstallationClickTight, LATCH
Load legNo
Anti-rebound barYes
RotatesNo
Harness heights4
Works with strollersSelect Britax strollers
Handle in the carThe carry handle must be adjusted to any locked position for use in a vehicle. Britax recommends Position 1 for use in a vehicle.
Aircraft labelCertified for aircraft, per the maker
No added flame retardantsYes
Expires after6 years

Compare the Cypress with

How each closest rival differs from the Cypress, from the makers' specs.

Ask the meadow

Cypress: questions answered

From Britax's published specs, last checked 2026-11-06.

Does the Britax Cypress rear-face longer than other infant seats?

24 of the 97 infant seats we track rear-face to a higher weight than its 30 lb. The highest is the Baby Jogger City GO 2 at 35 lb. NHTSA: stay rear-facing "until he or she reaches the top height or weight limit allowed by your car seat's manufacturer." (NHTSA)

Will the Britax Cypress fit three across or in a small car?

It's narrower than 66% of the infant seats we track, at 16.9 in. The narrowest is the Evenflo NurtureMax at 14.8 in. Fit depends on your vehicle; check each seat's manual and your vehicle manual. Car seat use and installation: see NHTSA's car seat page, which also lists free car seat inspection by certified technicians. Check the label and the maker's instructions, and ask your pediatrician about your child.

Is the Britax Cypress heavy to carry?

With a 7.5 lb newborn inside you'd lift about 17.2 lb, and that grows as your baby does. The carrier is lighter than 33% of the infant seats we track. See the lightest infant seats.

Can you use the Britax Cypress in a taxi or Uber without the base?

Britax doesn't list a baseless install, so plan on bringing the base. See infant seats that install without a base.

Can you bring the Britax Cypress on a plane?

Yes, Britax lists it as certified for aircraft; look for the red-lettered label that says so. The FAA asks that a car seat go in a window seat so it doesn't block the aisle, and the crew will look for that label. It weighs 9.7 lb to carry through the airport.

Cypress or Aton G2: what's different?

By the makers' specs, the Cypress has an anti-rebound bar; the Aton G2 has a load leg; the Cypress lists for $19.96 less. See every spec side by side.

Is it OK to buy a used Cypress?

NHTSA publishes guidance on used car seats on its car seat page. Britax lists a lifespan of 6 years from manufacture for this model. Check the label and the maker's instructions, and ask your pediatrician about your child.

Still wondering? Write to us at hello@cribpicks.com and we'll look it up.

More infant car seats

Where these specs come from

Last checked 2026-11-06. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.