UPPAbaby ALTA Full-Back Booster Seat


translation missing: en.products.item.price.price_per_unit_html

Secure your child on the last phase of their car seat journey with the ALTA High-Back Belt Positioning Booster. From energetic elementary school kids to independent pre-teens, the ALTA delivers proper seat and belt positioning with style, comfort and ease.


  • buckle up, move on: our SecureFit belt routing system with lap belt positioner ensures proper fit for the lap and shoulder belt while preventing slippage
  • lock in security: rigid UAS connectors secure the booster to the vehicle seat guaranteeing proper alignment
  • grows with them: the seven-position, Active Support Headrest accommodates growing children
  • protects heads with safety smarts: specialized foams provide added side impact protection
  • a small feature that makes a big difference: positioned on the side of shell, the Side Impact Pods absorb and disperse crash forces
  • sit back and relax: the spacious design paired with dual armrests provides added comfort for your child during the ride
  • hydrate on the go: the ALTA includes a removable cup holder that can attach to either side of the seat
  • removable and washable seat fabric: spills happen; the seat base fabric quickly zips off for easy cleaning
  • LIMITED LIFETIME WARRANTY: UPPAbaby offers a limited lifetime warranty on all car seats representing our commitment to child passenger safety


  • approximately 6 – 10 years
  • weight: 40 – 100 lbs
  • height: 38” – 57”
  • dimensions: 20” L x 19” W x 25.5–33” H
  • weighs: 16.6 lbs
  • care instructions: the seat base fabric conveniently zips off for easy cleaning; lay flat to dry; we recommend spot cleaning the upper body fabric whenever possible

*This item is a final sale.*

Thanks for signing up for restock notifications!
There was an error signing up for restock notifications. Please try again.

sign up for restock notifications

Notify Me