{
  "schema_version": "compare-page.v2",
  "page_id": "hip-healthy-sleep-sacks-for-hip-development",
  "url": "https://robotrunk.com/compare/want/hip-healthy-sleep-sacks-for-hip-development",
  "title": "Hip-healthy sleep sacks for hip development",
  "question": "Are sleep sacks hip-healthy for a baby's hip development?",
  "answer": "ergoPouch Sleep Suit Sack 3.5 TOG Dragonflies: In both the sack and suit configuration the Sleep Suit Sack is approved as hip-healthy by the International Hip Dysplasia Institute.\nergoPouch Cocoon Swaddle Sack / Cocoon Swaddle Bag: The design is recognised by the International Hip Dysplasia Institute as hip-healthy and lets the legs take the natural frog-leg position.\nergoPouch Cocoon Swaddle Sack 1.0 TOG Birthday Blobs: The roomy bottom lets a baby's legs bend into the recommended frog position for hip health.",
  "kind": "sleep sack",
  "market": "US",
  "generated_at": "2026-10-26T20:09:59.685Z",
  "columns": [
    "Hip health",
    "Sizes",
    "Age"
  ],
  "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.f1",
      "product": "ergoPouch Sleep Suit Sack 3.5 TOG Dragonflies",
      "field": "sizes",
      "value": "The Sleep Suit Sack 3.5 TOG in Dragonflies comes in four sizes: 3-12M, 8-24M, 2-4Y and 4-6Y.",
      "stated_as": "Dragonflies / 3.5 TOG / 3-12M — Dragonflies / 3.5 TOG / 8-24M — Dragonflies / 3.5 TOG / 2-4Y — Dragonflies / 3.5 TOG / 4-6Y",
      "source_type": "listing",
      "source_url": "https://ergopouch-us.myshopify.com/products.json",
      "source_read_at": "2026-10-11T07:17:22.303Z"
    },
    {
      "ref": "p1.f4",
      "product": "ergoPouch Sleep Suit Sack 3.5 TOG Dragonflies",
      "field": "age range",
      "value": "The Sleep Suit Sack can be used from 3 months, once the baby is rolling and has moved from swaddling to arms-out sleeping.",
      "stated_as": "The Sleep Suit Sack can be used from age 3 months, once your little one is rolling and has converted from swaddling to arms-out sleeping.",
      "source_type": "guide",
      "source_url": "https://www.ergopouch.com/blogs/sleep-blog/all-about-our-sleep-suit-sack",
      "source_read_at": "2026-10-12T03:58:28.025Z"
    },
    {
      "ref": "p1.f8",
      "product": "ergoPouch Sleep Suit Sack 3.5 TOG Dragonflies",
      "field": "hip-healthy certification",
      "value": "In both the sack and suit configuration the Sleep Suit Sack is approved as hip-healthy by the International Hip Dysplasia Institute.",
      "stated_as": "In both the Sack and Suit configuration, the Sleep Suit Sack is approved as hip-healthy by the International Hip Dysplasia Institute.",
      "source_type": "guide",
      "source_url": "https://www.ergopouch.com/blogs/sleep-blog/all-about-our-sleep-suit-sack",
      "source_read_at": "2026-10-12T03:58:28.025Z"
    },
    {
      "ref": "p2.f4",
      "product": "ergoPouch Cocoon Swaddle Sack 1.0 TOG",
      "field": "hip health",
      "value": "The roomy bottom lets a baby's legs bend into the recommended frog position for hip health.",
      "stated_as": "The roomy bottom lets a baby's legs bend into the recommended frog position for hip health.",
      "source_type": "review",
      "source_url": "https://www.thebabychecklist.co.uk/products/ergopouch-cocoon-swaddle-bag",
      "source_read_at": "2026-10-11T21:28:20.161Z"
    },
    {
      "ref": "p7.f5",
      "product": "ergoPouch Cocoon Swaddle Sack / Cocoon Swaddle Bag",
      "field": "hip health",
      "value": "The design is recognised by the International Hip Dysplasia Institute as hip-healthy and lets the legs take the natural frog-leg position.",
      "stated_as": "approved by the International Hip Dysplasia Institute for being \"hip-healthy.\"",
      "source_type": "manual",
      "source_url": "https://ergopouch-au.gorgias.help/en-US/how-do-i-use-the-cocoon-swaddle-bag-807462",
      "source_read_at": "2026-10-12T00:03:07.792Z"
    },
    {
      "ref": "p7.f10",
      "product": "ergoPouch Cocoon Swaddle Sack / Cocoon Swaddle Bag",
      "field": "sizes offered",
      "value": "The 3.5 TOG Oatmeal Marle is listed in four sizes: 0000, 0-3M, 3-6M and 6-12M.",
      "stated_as": "Oatmeal Marle / 3.5 TOG / 6-12M",
      "source_type": "listing",
      "source_url": "https://ergopouch-us.myshopify.com/products.json",
      "source_read_at": "2026-10-11T07:17:22.303Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "ergopouch-com",
        "display_name": "ergopouch.com"
      },
      "product_id": "gid://shopify/Product/8261741740201",
      "name": "ergoPouch Sleep Suit Sack 3.5 TOG Dragonflies",
      "url": "/products/ucp/ergopouch-com/8261741740201",
      "why": "In both the sack and suit configuration the Sleep Suit Sack is approved as hip-healthy by the International Hip Dysplasia Institute.",
      "cells": [
        {
          "column": "Hip health",
          "fact": {
            "field": "hip-healthy certification",
            "value": "In both the sack and suit configuration the Sleep Suit Sack is approved as hip-healthy by the International Hip Dysplasia Institute.",
            "stated_as": "In both the Sack and Suit configuration, the Sleep Suit Sack is approved as hip-healthy by the International Hip Dysplasia Institute.",
            "source_type": "guide",
            "source_url": "https://www.ergopouch.com/blogs/sleep-blog/all-about-our-sleep-suit-sack",
            "source_read_at": "2026-10-12T03:58:28.025Z"
          }
        },
        {
          "column": "Sizes",
          "fact": {
            "field": "sizes",
            "value": "The Sleep Suit Sack 3.5 TOG in Dragonflies comes in four sizes: 3-12M, 8-24M, 2-4Y and 4-6Y.",
            "stated_as": "Dragonflies / 3.5 TOG / 3-12M — Dragonflies / 3.5 TOG / 8-24M — Dragonflies / 3.5 TOG / 2-4Y — Dragonflies / 3.5 TOG / 4-6Y",
            "source_type": "listing",
            "source_url": "https://ergopouch-us.myshopify.com/products.json",
            "source_read_at": "2026-10-11T07:17:22.303Z"
          }
        },
        {
          "column": "Age",
          "fact": {
            "field": "age range",
            "value": "The Sleep Suit Sack can be used from 3 months, once the baby is rolling and has moved from swaddling to arms-out sleeping.",
            "stated_as": "The Sleep Suit Sack can be used from age 3 months, once your little one is rolling and has converted from swaddling to arms-out sleeping.",
            "source_type": "guide",
            "source_url": "https://www.ergopouch.com/blogs/sleep-blog/all-about-our-sleep-suit-sack",
            "source_read_at": "2026-10-12T03:58:28.025Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "ergopouch-com",
        "display_name": "ergopouch.com"
      },
      "product_id": "gid://shopify/Product/8279849861289",
      "name": "ergoPouch Cocoon Swaddle Sack / Cocoon Swaddle Bag",
      "url": "/products/ucp/ergopouch-com/8279849861289",
      "why": "The design is recognised by the International Hip Dysplasia Institute as hip-healthy and lets the legs take the natural frog-leg position.",
      "cells": [
        {
          "column": "Hip health",
          "fact": {
            "field": "hip health",
            "value": "The design is recognised by the International Hip Dysplasia Institute as hip-healthy and lets the legs take the natural frog-leg position.",
            "stated_as": "approved by the International Hip Dysplasia Institute for being \"hip-healthy.\"",
            "source_type": "manual",
            "source_url": "https://ergopouch-au.gorgias.help/en-US/how-do-i-use-the-cocoon-swaddle-bag-807462",
            "source_read_at": "2026-10-12T00:03:07.792Z"
          }
        },
        {
          "column": "Sizes",
          "fact": {
            "field": "sizes offered",
            "value": "The 3.5 TOG Oatmeal Marle is listed in four sizes: 0000, 0-3M, 3-6M and 6-12M.",
            "stated_as": "Oatmeal Marle / 3.5 TOG / 6-12M",
            "source_type": "listing",
            "source_url": "https://ergopouch-us.myshopify.com/products.json",
            "source_read_at": "2026-10-11T07:17:22.303Z"
          }
        },
        {
          "column": "Age",
          "fact": null
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "ergopouch-com",
        "display_name": "ergopouch.com"
      },
      "product_id": "gid://shopify/Product/8312063852713",
      "name": "ergoPouch Cocoon Swaddle Sack 1.0 TOG",
      "url": "/products/ucp/ergopouch-com/8312063852713",
      "why": "The roomy bottom lets a baby's legs bend into the recommended frog position for hip health.",
      "cells": [
        {
          "column": "Hip health",
          "fact": {
            "field": "hip health",
            "value": "The roomy bottom lets a baby's legs bend into the recommended frog position for hip health.",
            "stated_as": "The roomy bottom lets a baby's legs bend into the recommended frog position for hip health.",
            "source_type": "review",
            "source_url": "https://www.thebabychecklist.co.uk/products/ergopouch-cocoon-swaddle-bag",
            "source_read_at": "2026-10-11T21:28:20.161Z"
          }
        },
        {
          "column": "Sizes",
          "fact": null
        },
        {
          "column": "Age",
          "fact": null
        }
      ]
    }
  ]
}