Britax E9LE31A

E9LE31A Frontier 85 SICT Harness-2-Booster Child Seats Onyx

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Britax E9LE31A

Britax E9LE31A Frontier 85 SICT Harness-2-Booster Child Seats Onyx
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Quick Specs:
Brand: Britax
UPC: 652182067755
Stock Id: SID211025
Width: 23.5"
Height: 23"
Length: 27"
Technical Details
Weight: 26.8 lbs

The new Britax FRONTIER 85 SICT Combination Harness-2-Booster Seat boasts best-in-class forward-facing, five-point harnessed weight capacity up to 85 pounds combined with energy-managing Side Impact Cushion Technology, reducing incoming side impact crash energy by 45 percent by diverting crash forces away from the child.


The Britax FRONTIER 85 SICT also serves as a vehicle belt-positioning booster seat up to 120 pounds. Featuring True Side Impact Protection with a one-hand, adjustable harness height system, Versa-Tether and engineered energy management zones, the Britax FRONTIER 85 SICT is designed to provide the ultimate in safety for high capacity car seats.


  • Side Impact Cushion Technology features energy-absorbing cushions on the exterior of the child seat to reduce side impact crash energy by 45%, by diverting crash forces away from your child and providing extra protection for the adjacent passenger.
  • 85 lb Five-Point Harness Seat Capacity allows your child to remain harnessed up to 85 lbs or in booster mode to 120 lbs
  • True Side Impact Protection distributes crash forces, shields from vehicle intrusion, contains the head and body, and keeps the head, neck and spine “in true” or aligned, to limit injury

Superior 360 Degree Protection Features

  • Energy-Absorbing, Versa-Tether features a staged-release tether webbing to slow the forward movement, reducing the crash forces reaching the child, and a two-point attachment to minimize forward rotation while anchoring the top of the child seat
  • Energy Absorbing Base deforms in the event of a crash to absorb impact forces
  • Energy-Absorbing Foam Liner absorbs and distributes crash forcesHarness Ultra Guard System (HUGS) reduces forward head movement in the event of impact
  • Compatible with SecureGuard which works with the vehicle safety belt in booster mode to prevent the child from sliding under the lapbelt portion of the safety belt during impact, thus minimizing the risk of abdominal injury (accessory sold separately) Superior Fit and Comfort Features
  • Tangle-Free, 5-Point Harness with 10 harness height positions (up to 20”) and three buckle positions for a snug and secure fit as your child grows
  • Comfort Foam provides an extra layer of padding to gently cushion your child
  • Integrated Armrests help provide a secure fit and a natural place to rest arms

Superior Ease-of-Use Features

  • Quick-Adjust , No Rethread Harness repositions the harness shoulder height without disassembling the harness straps
  • Easy-Remove Cover allows easy cleaning without disassembling or uninstalling the car seat
  • Premium Lower LATCH Connectors for a quick and simple installation featuring a push button for easy release
  • Color-Coded Vehicle Belt Guides indicate the path and positioning of the vehicle seat belt
  • Integrated Cup Holders are designed to hold children’s cups and snacks


  • Product Weight:23.3 pounds
  • Dimensions: 27D x 23.5W x 23H inches

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