{
  "schema_version": "compare-page.v2",
  "page_id": "high-back-booster-seats-for-a-growing-child",
  "url": "https://robotrunk.com/compare/want/high-back-booster-seats-for-a-growing-child",
  "title": "High-back booster seats for a growing child",
  "question": "Which high-back booster seats suit a growing child?",
  "answer": "Uppababy ALTA V2 High Back Booster Seat: Recommended from about age 5 until outgrown, around age 10-11, provided the child can sit properly all the time. Child weight range is 40–100 lb (18.1–45.4 kg).\nNuna AACE: Nuna's page says the AACE converts from a high-back booster to a no-back booster.\nBritax Skyline: The high back can be removed so the seat can be used as a backless booster, and Britax claims head protection for kids up to 63 inches tall.",
  "kind": "booster (forward-facing only)",
  "market": "US",
  "generated_at": "2026-10-24T19:38:52.519Z",
  "columns": [
    "Growth range",
    "Seat mode",
    "Crash test",
    "Installation"
  ],
  "notices": {
    "facts": "Every value in the table is a fact RoboTrunk checked, linked to the page it came from. A dash means no checked fact fills that cell.",
    "price": "Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live."
  },
  "cited_facts": [
    {
      "ref": "p1.f3",
      "product": "Nuna AACE",
      "field": "installation",
      "value": "The blog calls lower-anchor installation quick and easy, with red belt paths and an expanding shoulder system.",
      "stated_as": "The blog calls lower-anchor installation quick and easy, with red belt paths and an expanding shoulder system.",
      "source_type": "blog",
      "source_url": "https://www.babycubby.com/blogs/parenting/nuna-aace-booster-seat",
      "source_read_at": "2026-10-24T05:04:44.701Z"
    },
    {
      "ref": "p1.f6",
      "product": "Nuna AACE",
      "field": "2-in-1 design",
      "value": "Nuna's page says the AACE converts from a high-back booster to a no-back booster.",
      "stated_as": "2-in-1 design - Converts from a high back to a no back booster",
      "source_type": "guide",
      "source_url": "https://nunababy.com/usa/all-products/aace-high-back-booster-seat",
      "source_read_at": "2026-10-24T05:04:07.771Z"
    },
    {
      "ref": "p1.f9",
      "product": "Nuna AACE",
      "field": "crash test",
      "value": "It recorded the lowest head and chest sensor forces in the group, suggesting a possible extra margin of crash protection.",
      "stated_as": "It recorded the lowest head and chest sensor forces in the group, suggesting a possible extra margin of crash protection.",
      "source_type": "review",
      "source_url": "https://www.babygearlab.com/reviews/vehicle-safety/booster-seat/nuna-aace",
      "source_read_at": "2026-10-24T05:04:18.652Z"
    },
    {
      "ref": "p2.f4",
      "product": "Uppababy ALTA V2 High Back Booster Seat",
      "field": "age suitability",
      "value": "Recommended from about age 5 until outgrown, around age 10-11, provided the child can sit properly all the time.",
      "stated_as": "Recommended from about age 5 until outgrown, around age 10-11, provided the child can sit properly all the time.",
      "source_type": "review",
      "source_url": "https://www.safeintheseat.com/seats/uppababy-altav2",
      "source_read_at": "2026-10-24T16:41:27.049Z"
    },
    {
      "ref": "p2.f7",
      "product": "Uppababy ALTA V2 High Back Booster Seat",
      "field": "crash test sensors",
      "value": "Head-injury sensor readings were relatively low, with about half the seats recording higher g-forces; chest-clip readings beat about two-thirds of competitors.",
      "stated_as": "Head-injury sensor readings were relatively low, with about half the seats recording higher g-forces; chest-clip readings beat about two-thirds of competitors.",
      "source_type": "review",
      "source_url": "https://www.babygearlab.com/reviews/vehicle-safety/booster-seat/uppababy-alta-v2",
      "source_read_at": "2026-10-24T16:41:25.748Z"
    },
    {
      "ref": "p2.f8",
      "product": "Uppababy ALTA V2 High Back Booster Seat",
      "field": "seat type",
      "value": "It is a high-back-only booster, with no backless mode.",
      "stated_as": "It is a high-back-only booster, with no backless mode.",
      "source_type": "review",
      "source_url": "https://www.safeintheseat.com/seats/uppababy-altav2",
      "source_read_at": "2026-10-24T16:41:27.049Z"
    },
    {
      "ref": "p2.f10",
      "product": "Uppababy ALTA V2 High Back Booster Seat",
      "field": "weight limits",
      "value": "Child weight range is 40–100 lb (18.1–45.4 kg).",
      "stated_as": "WEIGHT REQUIREMENTS: 40–100 lbs (18.1–45.4 kg)",
      "source_type": "manual",
      "source_url": "https://back.prod.uppababy.com/media/f7/3c/bc/1745851419/1302-ALT-MANUAL_240306_US-EN-1-1.pdf?ts=1745851419",
      "source_read_at": "2026-10-24T16:41:21.618Z"
    },
    {
      "ref": "p2.f11",
      "product": "Uppababy ALTA V2 High Back Booster Seat",
      "field": "ease of use",
      "value": "Ease of use was among the best; rigid lower connectors snapped in without tightening or levelling.",
      "stated_as": "Ease of use was among the best; rigid lower connectors snapped in without tightening or levelling.",
      "source_type": "review",
      "source_url": "https://www.babygearlab.com/reviews/vehicle-safety/booster-seat/uppababy-alta-v2",
      "source_read_at": "2026-10-24T16:41:25.748Z"
    },
    {
      "ref": "p3.f1",
      "product": "Britax Skyline",
      "field": "high back converts to backless",
      "value": "The high back can be removed so the seat can be used as a backless booster, and Britax claims head protection for kids up to 63 inches tall.",
      "stated_as": "The high back provides extra head protection for kids up to 63” tall and can be easily removed for use as a backless booster.",
      "source_type": "listing",
      "source_url": "https://love-me-do-baby.myshopify.com/products.json",
      "source_read_at": "2026-10-22T19:34:33.090Z"
    },
    {
      "ref": "p3.f2",
      "product": "Britax Skyline",
      "field": "safety test",
      "value": "In NHTSA's Car Seat Ease of Use Ratings the Britax Skyline booster (model E1C269H, made 2021-01-21, 40–120 lb, 44–63 in) scored 4 of 5 overall in booster mode, with securing the child 3/5, labels 3/5, vehicle installation features 5/5 and instructions 4/5; these are ease-of-use ratings, not crash-test results, listed at https://api.nhtsa.gov/childSeats?dataSet=ratings.",
      "stated_as": "Britax Skyline (model number E1C269H, Booster, the rated seat made 2021-01-21, child weight 40.0lbs - 120.0lbs, child height 44.0\" - 63.0\"): Booster (seat weight in this mode 11 lb): overall 4 of 5 stars; securing the child 3 of 5 stars",
      "source_type": "guide",
      "source_url": "https://api.nhtsa.gov/childSeats?dataSet=ratings",
      "source_read_at": "2026-10-23T07:51:12.289Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "lovemedobaby-com",
        "display_name": "lovemedobaby.com"
      },
      "product_id": "gid://shopify/Product/7154494537862",
      "name": "Uppababy ALTA V2 High Back Booster Seat",
      "url": "/products/ucp/lovemedobaby-com/7154494537862",
      "why": "Recommended from about age 5 until outgrown, around age 10-11, provided the child can sit properly all the time.",
      "cells": [
        {
          "column": "Growth range",
          "fact": {
            "field": "weight limits",
            "value": "Child weight range is 40–100 lb (18.1–45.4 kg).",
            "stated_as": "WEIGHT REQUIREMENTS: 40–100 lbs (18.1–45.4 kg)",
            "source_type": "manual",
            "source_url": "https://back.prod.uppababy.com/media/f7/3c/bc/1745851419/1302-ALT-MANUAL_240306_US-EN-1-1.pdf?ts=1745851419",
            "source_read_at": "2026-10-24T16:41:21.618Z"
          }
        },
        {
          "column": "Seat mode",
          "fact": {
            "field": "seat type",
            "value": "It is a high-back-only booster, with no backless mode.",
            "stated_as": "It is a high-back-only booster, with no backless mode.",
            "source_type": "review",
            "source_url": "https://www.safeintheseat.com/seats/uppababy-altav2",
            "source_read_at": "2026-10-24T16:41:27.049Z"
          }
        },
        {
          "column": "Crash test",
          "fact": {
            "field": "crash test sensors",
            "value": "Head-injury sensor readings were relatively low, with about half the seats recording higher g-forces; chest-clip readings beat about two-thirds of competitors.",
            "stated_as": "Head-injury sensor readings were relatively low, with about half the seats recording higher g-forces; chest-clip readings beat about two-thirds of competitors.",
            "source_type": "review",
            "source_url": "https://www.babygearlab.com/reviews/vehicle-safety/booster-seat/uppababy-alta-v2",
            "source_read_at": "2026-10-24T16:41:25.748Z"
          }
        },
        {
          "column": "Installation",
          "fact": {
            "field": "ease of use",
            "value": "Ease of use was among the best; rigid lower connectors snapped in without tightening or levelling.",
            "stated_as": "Ease of use was among the best; rigid lower connectors snapped in without tightening or levelling.",
            "source_type": "review",
            "source_url": "https://www.babygearlab.com/reviews/vehicle-safety/booster-seat/uppababy-alta-v2",
            "source_read_at": "2026-10-24T16:41:25.748Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "lovemedobaby-com",
        "display_name": "lovemedobaby.com"
      },
      "product_id": "gid://shopify/Product/782500429941",
      "name": "Nuna AACE",
      "url": "/products/ucp/lovemedobaby-com/782500429941",
      "why": "Nuna's page says the AACE converts from a high-back booster to a no-back booster.",
      "cells": [
        {
          "column": "Growth range",
          "fact": null
        },
        {
          "column": "Seat mode",
          "fact": {
            "field": "2-in-1 design",
            "value": "Nuna's page says the AACE converts from a high-back booster to a no-back booster.",
            "stated_as": "2-in-1 design - Converts from a high back to a no back booster",
            "source_type": "guide",
            "source_url": "https://nunababy.com/usa/all-products/aace-high-back-booster-seat",
            "source_read_at": "2026-10-24T05:04:07.771Z"
          }
        },
        {
          "column": "Crash test",
          "fact": {
            "field": "crash test",
            "value": "It recorded the lowest head and chest sensor forces in the group, suggesting a possible extra margin of crash protection.",
            "stated_as": "It recorded the lowest head and chest sensor forces in the group, suggesting a possible extra margin of crash protection.",
            "source_type": "review",
            "source_url": "https://www.babygearlab.com/reviews/vehicle-safety/booster-seat/nuna-aace",
            "source_read_at": "2026-10-24T05:04:18.652Z"
          }
        },
        {
          "column": "Installation",
          "fact": {
            "field": "installation",
            "value": "The blog calls lower-anchor installation quick and easy, with red belt paths and an expanding shoulder system.",
            "stated_as": "The blog calls lower-anchor installation quick and easy, with red belt paths and an expanding shoulder system.",
            "source_type": "blog",
            "source_url": "https://www.babycubby.com/blogs/parenting/nuna-aace-booster-seat",
            "source_read_at": "2026-10-24T05:04:44.701Z"
          }
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "lovemedobaby-com",
        "display_name": "lovemedobaby.com"
      },
      "product_id": "gid://shopify/Product/6596328226950",
      "name": "Britax Skyline",
      "url": "/products/ucp/lovemedobaby-com/6596328226950",
      "why": "The high back can be removed so the seat can be used as a backless booster, and Britax claims head protection for kids up to 63 inches tall.",
      "cells": [
        {
          "column": "Growth range",
          "fact": null
        },
        {
          "column": "Seat mode",
          "fact": {
            "field": "high back converts to backless",
            "value": "The high back can be removed so the seat can be used as a backless booster, and Britax claims head protection for kids up to 63 inches tall.",
            "stated_as": "The high back provides extra head protection for kids up to 63” tall and can be easily removed for use as a backless booster.",
            "source_type": "listing",
            "source_url": "https://love-me-do-baby.myshopify.com/products.json",
            "source_read_at": "2026-10-22T19:34:33.090Z"
          }
        },
        {
          "column": "Crash test",
          "fact": null
        },
        {
          "column": "Installation",
          "fact": {
            "field": "safety test",
            "value": "In NHTSA's Car Seat Ease of Use Ratings the Britax Skyline booster (model E1C269H, made 2021-01-21, 40–120 lb, 44–63 in) scored 4 of 5 overall in booster mode, with securing the child 3/5, labels 3/5, vehicle installation features 5/5 and instructions 4/5; these are ease-of-use ratings, not crash-test results, listed at https://api.nhtsa.gov/childSeats?dataSet=ratings.",
            "stated_as": "Britax Skyline (model number E1C269H, Booster, the rated seat made 2021-01-21, child weight 40.0lbs - 120.0lbs, child height 44.0\" - 63.0\"): Booster (seat weight in this mode 11 lb): overall 4 of 5 stars; securing the child 3 of 5 stars",
            "source_type": "guide",
            "source_url": "https://api.nhtsa.gov/childSeats?dataSet=ratings",
            "source_read_at": "2026-10-23T07:51:12.289Z"
          }
        }
      ]
    }
  ]
}