Britax G4.1 Convertibles
Specifications 
Seat NameBritax Convertibles G4.1: Marathon/Boulevard
Expiration7 years
Rear Facing5-40 lbs
head 1” from the top
** Seats made after 10/14, rear facing height limit : when head is 1" from the top of the extended head restraint
Forward Facing20-65 lbs
up to 49"
Features 
Seat NameBritax Convertibles G4.1: Marathon/Boulevard
Premium Lower Anchor Connectors
No Re-thread Harness
Lock Offs
Fits Newborns
Additional Information 
Seat NameBritax Convertibles G4.1: Marathon/Boulevard
Comments
  • Easy to use and install
  • Takes up a small amount of front to back space
  • Allows for tethering rear facing
  • Small interior doesn’t provide much leg room, and is outgrown in height earlier than some other seats.
  • **Note** Britax G4.1 convertible seats all offer the same growing room but have slightly different features. For a comparison chart check out their website.
  • CSFTL ReviewBritax Boulevard Review
    Buy at AmazonAmazon
    Retail Price$290-$380