Britax Skyline 2-Stage Belt-Positioning Booster
From 18 kg/39.7 lb, up to 54 kg/119 lb (~4 to 10 years).

Pros / Cons
Pros
- High-back mode gives belt guidance before the backless stage
- Two-stage booster path suits families not ready to lose head support yet
Cons
- Booster-only design is for belt-ready children, not harness holdouts
- Backless mode depends on the vehicle seat or head restraint supporting the child properly
Product Facts
- Seat Use
- Booster
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- Price/Buy
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Britax Skyline is the booster to shortlist when the child is already past harness use but still benefits from a high-back guide for shoulder-belt position. It starts as a high-back booster and later becomes backless, so it can bridge a child who rides well but is not ready for a bare booster in every vehicle. Before buying, check the child’s shoulder-belt path, lap-belt position, and head support in the actual back seat, especially if the car has low or fixed head restraints.