★ Best Pick
$79〜110
Best Overall: The Tranzitions is one of very few boosters that earns IIHS 'Best Bet' status at a mid-range price. It transitions from a harness seat (up to 65 lbs) to a high-back booster, then to a backless booster — genuinely three stages in one purchase.
This is a companion discussion topic for the original entry at https://pickly.blog/en/articles/best-booster-seat-2026/