UPPAbaby ALTA Booster Seat
UPPAbaby ALTA Booster Seat
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The UPPAbaby ALTA Booster Seat provides the next-step car seat solution for your growing child. From energetic elementary school kids to independent pre-teens, the ALTA delivers proper seat and belt positioning with style, comfort, and ease.
The ALTA's SecureFit™ belt routing system with lap belt positioner ensures proper fit for the lap and shoulder belt while preventing submarining. Plus, rigid LATCH connectors secure the booster to the vehicle seat guaranteeing proper alignment.
The seven-position, Active Support Headrest accommodates growing children and specialized, energy-absorbing foams provide added side impact protection so you can have the peace of mind to know your child is safe.
Features
Features
- SECUREFit belt routing system
- Integrated shoulder belt guides
- Unique lap belt positioner
- Ensures proper belt fit and positioning for your child
- Can be used up to 100 pounds
- 7-Position Active Support Headrest
- Side Impact Pods located on the side of the shell provide advanced side impact protection
- Rigid LATCH connectors guarantee proper connection to the seat
- Dishwasher-safe cup holder
- Cup holder can be attached to either side of seat
- Dual armrests for comfort and convenience
- Removable, washable fabric
Installation Options
- Rigid LATCH
What's Included
What's Included
- UPPAbaby ALTA Booster Seat
- Removable Cup Holder
Specifications
Specifications
Weight/Height Capacity
- Weight: 40 – 100 lbs
- Height: 38” – 57”
Weight and Dimensions
- Weight: 16 lbs
- 20”L x 19”W x 25.5–33”H (height of headrest in lowest and highest positions)
Materials and Care Instructions
Cleaning Fabric:
- Machine wash in cold water on gentle cycle with mild detergent
- Dry flat and away from direct sun
Cleaning Plastic:
- Clean using warm water with mild detergent
- Towel dry
Compatibility + Accessories
Compatibility + Accessories
Accessories
- UPPAbaby KNOX / ALTA TravelSafe Travel Bag
- Extra UPPAbaby ALTA Cup Holder
Additional Resources
Additional Resources
YouTube Videos
- UPPAbaby ALTA Booster Seat
- Comparing the UPPAbaby ALTA v. Nuna AACE
- Comparing the Britax Highpoint v. UPPAbaby ALTA
- Comparing the Britax Grow With You Clicktight Plus v. UPPAbaby ALTA
- Best Booster Seats feat. Nuna AACE and UPPAbaby ALTA
Blog Posts
- The NEW UPPAbaby KNOX and ALTA Car Seats
- TOP 4 Booster Seats to Keep Your Child Safe!
- How Do I Know When My Child is Ready for a Booster Seat?
Gear Guides
CPS Techs
CPS Techs
What is a CPS tech?

How does a CPS tech get certified?

How can I get in contact with a CPS tech?
Car Seat Return and Shipping Policy
Car Seat Return and Shipping Policy
Car Seat Returns
Due to safety concerns, only unopened car seats can be returned. Safety is our top priority and we want you to keep your kiddos safe. If you have any questions, please reach out to [email protected].
Car Seat Shipping
Free Shipping applies to standard shipping orders over $95 within the continental U.S.A. Unfortunately, orders shipping to Alaska, Hawaii, Puerto Rico, or APO/FPO addresses do not qualify for free shipping.
Large furniture items that must ship as freight such as cribs, gliders and dressers have a separate furniture delivery fee.
Free 5-7 days shipping is available on every order over $95 (excluding taxes and shipping fees) in the continental U.S.A. If you are in need of expedited shipping, the cost will be dependent upon your area and how fast you are wanting it shipped to you. You can get a shipping quote in your cart at checkout.
Shipping Timeline
For standard shipping, FedEx and USPS have up to 5-7 business days to deliver your order. However, most items arrive within 3-5 business days.
To track your package, follow one of the links below:
United States Postal Service (USPS) Tracking: https://m.usps.com/m/TrackConfirmAction
FedEx Tracking: https://www.fedex.com/apps/fedextrack/?action=track
Best Price Guarantee
Best Price Guarantee

and that baby gear and supplies quickly add up. If
you find a lower price on any item that we sell, we
will gladly match it.
The product must be the exact same color/style/size
and be in stock on competitor’s website. Unfortunately,
we cannot price match auction-based websites. Some
brands and manufacturers are excluded from our price
match policy. Some items have a 1 per person price
match as well.
Customer Service at [email protected]

when items are purchased at full retail price and the
merchandise (of the same style, color, and size) is
discounted within 14 days of the original purchase date.
not eligible for price adjustments.
Price adjustments are not provided during Black Friday or
Cyber Monday sales.








