ALTA High-Back Belt Positioning Booster Seat

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SKU: 810030091547

From energetic elementary school kids to independent pre-teens, the ALTA delivers proper seat and belt positioning with style, comfort and ease.


  • Approximately 6–10 years old
  • Suitable from 40–100 lbs, and 38”–57” in height
  • Dimensions: 20” L x 19” W x 25.5”–33” H
(height headrest in lowest and highest positions)

Key Features
  • SecureFit belt routing system
  • Unique lap belt positioner
  • Lock in security with Rigid LATCH connectors that secure the booster to the vehicle seat guaranteeing proper alignment and positioning for everyday use. 
  • 7-position Active Support Headrest
  • Side Impact Pods on the side of the shell absorb and disperse crash forces
  • Specialized foams in the headrest
  • Spacious design accommodates growing children provides added comfort for your child during the ride
  • Dual armrests
  • Removable cup holder included, that can attach to either side of the seat
  • Removable, washable fabrics. When spills happen, the seat base fabric quickly zips off for easy cleaning

UPPAbaby Warranty

  • UPPAbaby offers a LIMITED LIFETIME WARRANTY on all car seats representing UPPAbaby's commitment to child passenger safety.

1319-ALT-US-JKE   Jake
1319-ALT-US-LCA  Lucca
1319-ALT-US-MOR Morgan
1319-ALT-US-SAS   Sasha

PLEASE NOTE: If item is not in stock, you may proceed with your order and KNK will advise on the estimated date of availability based on manufacturer information. KNK is unable to guarantee a specific date of availability.