Britax Frontier 85 Harness-2-Booster Car Seat

Ex Tax: $215.00
Brand: Britax
Product Code: CAR SEATS
Availability: In Stock

Britax ensures your child's safety is never compromised, even as they grow. That's why they created the all new Frontier 85 Harness-to-Booster Car Seat, an enhancement on the original Frontier you already love.

With an increased weight capacity of 85 pounds (in the forward-facing harness) and 120 pounds (as a belt-positioning booster) this is a car seat that has all the versatility, comfort, convenience and safety features you seek.

The Britax Frontier 85 Harness-2-Booster Car Seat boasts the best-in-class highest five-point harness seat capacity available on the market. Featuring True Side Impact Protection™ with one-hand adjustable harness height system, Versa-Tether® and engineered energy management zones, the Frontier 85 is designed to be the safest high capacity seat in the industry.  Loaded with comfort and convenience features, such as comfort foam, integrated cup holders and fixed armrests, the Frontier 85 is the ideal seat for the child graduating from their convertible car seat without compromising safety.


  • 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
  • Quick-adjust head restraint and No-Rethread harness allows you to easily adjust without disassembling the harness
  • Plush, Premium Cover Set with thick, underlying comfort foam provides extra comfort, encouraging your child to stay in the proper position
  • Integrated Armrests help provide a secure fit and a natural place to rest arms
  • Integrated Cup Holders are designed to fit common beverages such as 20 oz reusable water bottles
  • Patented, Energy-Absorbing Versa-Tether with staged-release tether webbing, anchors the top of the child seat at two points to minimize forward movement in a crash
  • HUGS™ (Harness Ultra Guard System) reduces forward head movement and cushions the chest in the event of impact
  • Color-Coded Vehicle Belt Guides indicate the path and positioning of the vehicle seat belt
  • Durable and Washable Cover in mature fashions for the growing child
  • Energy-Absorbing Foam Liner (EPS) absorbs and distributes crash forces
  • Premium, Push-Button Lower LATCH Connectors for a quick, simple, and tight installation
  • Harness-2-Booster converts to a belt-positioning booster seat
  • Energy-Absorbing Base deforms in the event of a crash to absorb impact forces


  • Forward-facing Harness: 2 years & 25 lbs, up to 85 lbs.
  • Booster: 40-120 lbs.
  • Height Range: 30-65" tall
  • Car Seat Weight: 19.6 lbs.

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