ClearTex fabric - no added chemicals. Transition from a 5-point harness to vehicle seatbelt. DuoGuard side-impact protection with EPS-energy absorbing foam. Durable reinforced steel frame. ErgoBoost seat with dual-density foam padding. 9-Position headrest. 4-Position recline. RideRight bubble levels. Premium connectors for LATCH installation. LockSure lock-offs and wide belt routing. Two CupFolders are dishwasher safe. Harness mode: 25-65lbs at least 2 years old up to 54" tall. Booster mode: 40-100lbs at least 4 years old 37-57" tall.q