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The Britax Frontier™ Harness-2-Booster® seat boasts best-in-class forward-facing five-point harnessed weight capacity up to 80 pounds and also serves as a vehicle belt-positioning booster up to 100 pounds. Featuring True Side Impact Protection® with one-hand adjustable harness height system, Versa-Tether® and engineered energy management zones, the Frontier is designed to be the safest high capacity seat in the industry: it was designed to be a Britax.

Loaded with comfort and convenience features, such as comfort foam, dual cup holders and armrests, the Frontier is the ideal seat for the child graduating from their convertible car seat without compromising safety.