{
  "schema_version": "compare-page.v2",
  "page_id": "choosing-a-sleep-sack-size-by-weight-and-height",
  "url": "https://robotrunk.com/compare/want/choosing-a-sleep-sack-size-by-weight-and-height",
  "title": "Choosing a Sleep Sack Size by Weight and Height",
  "question": "How should a parent choose the right sleep sack size for a baby?",
  "answer": "ergoPouch Sleep Sack 2.5 TOG Elephant Parade: ergoPouch says to use the child's weight and height together to choose the most appropriate and safe size. Pouch length is 80 cm for 3-12M, 90 cm for 8-24M and 105 cm for 2-4Y; 3-12M fits 6-10 kg and 62-76 cm, 8-24M fits 8-14 kg and 68-92 cm, and 2-4Y follows height markers of 92-108 cm. ergoPouch advises not to move up to the next size until the child meets the weight requirement, for safety reasons. ergoPouch says the sleep sack should be well fitted around the neck and armholes so the baby cannot slip through.\nergoPouch Sleep Sack 2.5 TOG: The maker says to use the child's weight and height to pick the most appropriate and safe size. The 3-12M Sleep Sack is 80 cm long and is intended for children of 6-10 kg and 62-76 cm.\nergoPouch Sleep Sack 0.2 TOG Starbeam: Buyers are told not to move up to the next size until the child meets that size's weight requirement, for safety reasons. The sleep sack should be well fitted around the neck and armholes to help avoid the baby slipping through.",
  "kind": "sleep sack",
  "market": "US",
  "generated_at": "2026-10-14T06:05:28.725Z",
  "columns": [
    "Size chart",
    "Weight and height rule",
    "Moving up a size",
    "Fit"
  ],
  "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": "ergoPouch Sleep Sack 2.5 TOG",
      "field": "size 3-12M dimensions",
      "value": "The 3-12M Sleep Sack is 80 cm long and is intended for children of 6-10 kg and 62-76 cm.",
      "stated_as": "80cm\n6-10kg\n62-76cm",
      "source_type": "manual",
      "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
      "source_read_at": "2026-10-12T02:20:04.395Z"
    },
    {
      "ref": "p1.f12",
      "product": "ergoPouch Sleep Sack 2.5 TOG",
      "field": "how to choose size",
      "value": "The maker says to use the child's weight and height to pick the most appropriate and safe size.",
      "stated_as": "Please use your child's weight and height to find the most appropriate and safe size for them.",
      "source_type": "manual",
      "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
      "source_read_at": "2026-10-12T02:20:04.395Z"
    },
    {
      "ref": "p2.f11",
      "product": "ergoPouch Sleep Sack 0.2 TOG Starbeam",
      "field": "fit",
      "value": "The sleep sack should be well fitted around the neck and armholes to help avoid the baby slipping through.",
      "stated_as": "A sleep sack should be well fitted around the neck and the armholes to avoid your baby slipping through.",
      "source_type": "manual",
      "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
      "source_read_at": "2026-10-12T01:56:07.765Z"
    },
    {
      "ref": "p2.f12",
      "product": "ergoPouch Sleep Sack 0.2 TOG Starbeam",
      "field": "sizing safety warning",
      "value": "Buyers are told not to move up to the next size until the child meets that size's weight requirement, for safety reasons.",
      "stated_as": "Please do not size up to the next size until your child meets the weight requirement, for safety reasons.",
      "source_type": "manual",
      "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
      "source_read_at": "2026-10-12T01:56:07.765Z"
    },
    {
      "ref": "p5.f3",
      "product": "ergoPouch Sleep Sack 2.5 TOG Elephant Parade",
      "field": "pouch length and size guide",
      "value": "Pouch length is 80 cm for 3-12M, 90 cm for 8-24M and 105 cm for 2-4Y; 3-12M fits 6-10 kg and 62-76 cm, 8-24M fits 8-14 kg and 68-92 cm, and 2-4Y follows height markers of 92-108 cm.",
      "stated_as": "3-12M\n(000-1y)\n80cm\n6-10kg\n62-76cm\n8-24M\n(00-2y)\n90cm\n8-14kg\n68-92cm\n2-4Y\n105cm\nFollow Height Markers\n92-108cm",
      "source_type": "manual",
      "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
      "source_read_at": "2026-10-12T02:16:22.776Z"
    },
    {
      "ref": "p5.f7",
      "product": "ergoPouch Sleep Sack 2.5 TOG Elephant Parade",
      "field": "fit and safety guidance",
      "value": "ergoPouch says the sleep sack should be well fitted around the neck and armholes so the baby cannot slip through.",
      "stated_as": "A sleep sack should be well fitted around the neck and the armholes to avoid your baby slipping through.",
      "source_type": "manual",
      "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
      "source_read_at": "2026-10-12T02:16:22.776Z"
    },
    {
      "ref": "p5.f10",
      "product": "ergoPouch Sleep Sack 2.5 TOG Elephant Parade",
      "field": "sizing up",
      "value": "ergoPouch advises not to move up to the next size until the child meets the weight requirement, for safety reasons.",
      "stated_as": "Please do not size up to the next size until your child meets the weight requirement, for safety reasons.",
      "source_type": "manual",
      "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
      "source_read_at": "2026-10-12T02:16:22.776Z"
    },
    {
      "ref": "p5.f11",
      "product": "ergoPouch Sleep Sack 2.5 TOG Elephant Parade",
      "field": "sizing method",
      "value": "ergoPouch says to use the child's weight and height together to choose the most appropriate and safe size.",
      "stated_as": "Please use your child's weight and height to find the most appropriate and safe size for them.",
      "source_type": "manual",
      "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
      "source_read_at": "2026-10-12T02:16:22.776Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "ergopouch-com",
        "display_name": "ergopouch.com"
      },
      "product_id": "gid://shopify/Product/8712495628457",
      "name": "ergoPouch Sleep Sack 2.5 TOG Elephant Parade",
      "url": "/products/ucp/ergopouch-com/8712495628457",
      "why": "ergoPouch says to use the child's weight and height together to choose the most appropriate and safe size.",
      "cells": [
        {
          "column": "Size chart",
          "fact": {
            "field": "pouch length and size guide",
            "value": "Pouch length is 80 cm for 3-12M, 90 cm for 8-24M and 105 cm for 2-4Y; 3-12M fits 6-10 kg and 62-76 cm, 8-24M fits 8-14 kg and 68-92 cm, and 2-4Y follows height markers of 92-108 cm.",
            "stated_as": "3-12M\n(000-1y)\n80cm\n6-10kg\n62-76cm\n8-24M\n(00-2y)\n90cm\n8-14kg\n68-92cm\n2-4Y\n105cm\nFollow Height Markers\n92-108cm",
            "source_type": "manual",
            "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
            "source_read_at": "2026-10-12T02:16:22.776Z"
          }
        },
        {
          "column": "Weight and height rule",
          "fact": {
            "field": "sizing method",
            "value": "ergoPouch says to use the child's weight and height together to choose the most appropriate and safe size.",
            "stated_as": "Please use your child's weight and height to find the most appropriate and safe size for them.",
            "source_type": "manual",
            "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
            "source_read_at": "2026-10-12T02:16:22.776Z"
          }
        },
        {
          "column": "Moving up a size",
          "fact": {
            "field": "sizing up",
            "value": "ergoPouch advises not to move up to the next size until the child meets the weight requirement, for safety reasons.",
            "stated_as": "Please do not size up to the next size until your child meets the weight requirement, for safety reasons.",
            "source_type": "manual",
            "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
            "source_read_at": "2026-10-12T02:16:22.776Z"
          }
        },
        {
          "column": "Fit",
          "fact": {
            "field": "fit and safety guidance",
            "value": "ergoPouch says the sleep sack should be well fitted around the neck and armholes so the baby cannot slip through.",
            "stated_as": "A sleep sack should be well fitted around the neck and the armholes to avoid your baby slipping through.",
            "source_type": "manual",
            "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
            "source_read_at": "2026-10-12T02:16:22.776Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "ergopouch-com",
        "display_name": "ergopouch.com"
      },
      "product_id": "gid://shopify/Product/8261736792233",
      "name": "ergoPouch Sleep Sack 2.5 TOG",
      "url": "/products/ucp/ergopouch-com/8261736792233",
      "why": "The maker says to use the child's weight and height to pick the most appropriate and safe size.",
      "cells": [
        {
          "column": "Size chart",
          "fact": {
            "field": "size 3-12M dimensions",
            "value": "The 3-12M Sleep Sack is 80 cm long and is intended for children of 6-10 kg and 62-76 cm.",
            "stated_as": "80cm\n6-10kg\n62-76cm",
            "source_type": "manual",
            "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
            "source_read_at": "2026-10-12T02:20:04.395Z"
          }
        },
        {
          "column": "Weight and height rule",
          "fact": {
            "field": "how to choose size",
            "value": "The maker says to use the child's weight and height to pick the most appropriate and safe size.",
            "stated_as": "Please use your child's weight and height to find the most appropriate and safe size for them.",
            "source_type": "manual",
            "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
            "source_read_at": "2026-10-12T02:20:04.395Z"
          }
        },
        {
          "column": "Moving up a size",
          "fact": null
        },
        {
          "column": "Fit",
          "fact": null
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "ergopouch-com",
        "display_name": "ergopouch.com"
      },
      "product_id": "gid://shopify/Product/8862969331881",
      "name": "ergoPouch Sleep Sack 0.2 TOG Starbeam",
      "url": "/products/ucp/ergopouch-com/8862969331881",
      "why": "Buyers are told not to move up to the next size until the child meets that size's weight requirement, for safety reasons.",
      "cells": [
        {
          "column": "Size chart",
          "fact": null
        },
        {
          "column": "Weight and height rule",
          "fact": null
        },
        {
          "column": "Moving up a size",
          "fact": {
            "field": "sizing safety warning",
            "value": "Buyers are told not to move up to the next size until the child meets that size's weight requirement, for safety reasons.",
            "stated_as": "Please do not size up to the next size until your child meets the weight requirement, for safety reasons.",
            "source_type": "manual",
            "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
            "source_read_at": "2026-10-12T01:56:07.765Z"
          }
        },
        {
          "column": "Fit",
          "fact": {
            "field": "fit",
            "value": "The sleep sack should be well fitted around the neck and armholes to help avoid the baby slipping through.",
            "stated_as": "A sleep sack should be well fitted around the neck and the armholes to avoid your baby slipping through.",
            "source_type": "manual",
            "source_url": "https://www.ergopouch.com/pages/how-to-use-the-sleep-sack",
            "source_read_at": "2026-10-12T01:56:07.765Z"
          }
        }
      ]
    }
  ]
}