UPPAbaby ALTA Booster Seat



The ALTA High-back Belt Positioning Booster (for US and CA) extends the UPPAbaby Car Seat Family to provide a next step car seat solution for children from approximately elementary school to pre-teen years. Modern styling and ‘cool’ fashions distinguish the seat for your older child. 

Why Parents Love the ALTA Booster

  • Can be used until 100 lbs
  • Fantastic safety precautions

Why Children Love the ALTA Booster

  • Cool look
  • Double arm rests
  • Cup holder can move to either side of seat


  • SECUREFit belt routing system
  • Integrated shoulder belt guides
  • Anti-submarining lap belt possitioner
  • Ensures proper belt fit and positioning for your child
  • 7-Position Active Support Headrest
  • Side Impact Pods located on the side of the shell provide advanced side impact protection
  • Rigid anchor connectors secure the seat to the vehicle when not in use
  • Included dishwasher safe cup holder makes longer trips a breeze
  • Cup holder can be attached to either side of seat
  • Dual armrests for comfort and convenience


  • Approximately 5 – 10 years
  • Weight 33 – 100 lbs
  • Height 38” – 57” 


  • Morgan = charcoal melange
  • Jake = black melange
  • Lucca = teal melange
  • Sasha = grey melange/pink accent


More Product Info

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