{
  "schema_version": "compare-page.v2",
  "page_id": "kids-mattresses-that-hold-their-shape-over-time",
  "url": "https://robotrunk.com/compare/want/kids-mattresses-that-hold-their-shape-over-time",
  "title": "Kids' mattresses that hold their shape over time",
  "question": "Which children's mattresses keep their shape and resist sagging or sinking over the long term?",
  "answer": "Naturepedic Breathable Ultra Organic 2-Stage Crib Mattress (Breathable Ultra 252 2-Stage): After three years of use, first as a crib mattress and then as a toddler mattress, it was still in excellent condition and the waterproofing still worked. Long-term testers rate this mattress highly for durability and for its waterproof layer, and found babies sleep well on it.\n\nNaturepedic Breathable Ultra Organic 2-Stage Crib Mattress (SKU MC47 lightweight; SKU MC47C innerspring): Long-term use over three years as a crib mattress and then a toddler mattress left the mattress in good shape, including several moves and informal use as a floor and play mattress.\n\nNaturepedic Classic Organic Cotton Crib Mattress (MC32): Regards the Classic's 150-coil count as the minimum for a firm infant mattress and would prefer more coils; the Breathable models offer 252.",
  "kind": "mattress",
  "market": "US",
  "generated_at": "2026-10-26T20:04:47.930Z",
  "columns": [
    "Long-term use",
    "Support"
  ],
  "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.f4",
      "product": "Naturepedic Breathable Ultra Organic 2-Stage Crib Mattress (Breathable Ultra 252 2-Stage)",
      "field": "long-term durability",
      "value": "After three years of use, first as a crib mattress and then as a toddler mattress, it was still in excellent condition and the waterproofing still worked.",
      "stated_as": "After three years of use, first as a crib mattress and then as a toddler mattress, it was still in excellent condition and the waterproofing still worked.",
      "source_type": "blog",
      "source_url": "https://greenactivefamily.com/nursery/cribs-bedding/best-naturepedic-crib-mattress/",
      "source_read_at": "2026-10-15T08:15:27.961Z"
    },
    {
      "ref": "p1.f7",
      "product": "Naturepedic Breathable Ultra Organic 2-Stage Crib Mattress (Breathable Ultra 252 2-Stage)",
      "field": "durability",
      "value": "Long-term testers rate this mattress highly for durability and for its waterproof layer, and found babies sleep well on it.",
      "stated_as": "Long-term testers rate this mattress highly for durability and for its waterproof layer, and found babies sleep well on it.",
      "source_type": "review",
      "source_url": "https://forbes-forbescom-live.non-prod.zephrcf.com/sites/forbes-personal-shopper/article/the-best-crib-mattress/",
      "source_read_at": "2026-10-15T08:17:05.608Z"
    },
    {
      "ref": "p2.f6",
      "product": "Naturepedic Breathable Ultra Organic 2-Stage Crib Mattress (SKU MC47 lightweight; SKU MC47C innerspring)",
      "field": "long-term durability",
      "value": "Long-term use over three years as a crib mattress and then a toddler mattress left the mattress in good shape, including several moves and informal use as a floor and play mattress.",
      "stated_as": "Long-term use over three years as a crib mattress and then a toddler mattress left the mattress in good shape, including several moves and informal use as a floor and play mattress.",
      "source_type": "blog",
      "source_url": "https://greenactivefamily.com/nursery/cribs-bedding/best-naturepedic-crib-mattress/",
      "source_read_at": "2026-10-15T08:59:19.423Z"
    },
    {
      "ref": "p6.f5",
      "product": "Naturepedic Classic Organic Cotton Crib Mattress (MC32)",
      "field": "coil count",
      "value": "Regards the Classic's 150-coil count as the minimum for a firm infant mattress and would prefer more coils; the Breathable models offer 252.",
      "stated_as": "Regards the Classic's 150-coil count as the minimum for a firm infant mattress and would prefer more coils; the Breathable models offer 252.",
      "source_type": "review",
      "source_url": "https://www.leafscore.com/eco-friendly-kids-products/naturepedic-organic-cotton-classic-crib-mattress-review/",
      "source_read_at": "2026-10-15T08:37:40.514Z"
    },
    {
      "ref": "p6.f8",
      "product": "Naturepedic Classic Organic Cotton Crib Mattress (MC32)",
      "field": "construction",
      "value": "The innerspring model is built on a 150-coil innerspring with organic cotton batting and a firmness support layer.",
      "stated_as": "- 150 coil innerspring",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-14T20:08:47.220Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/8189250109514",
      "name": "Naturepedic Breathable Ultra Organic 2-Stage Crib Mattress (Breathable Ultra 252 2-Stage)",
      "url": "/products/ucp/strolleria-com/8189250109514",
      "why": "After three years of use, first as a crib mattress and then as a toddler mattress, it was still in excellent condition and the waterproofing still worked.",
      "cells": [
        {
          "column": "Long-term use",
          "fact": {
            "field": "long-term durability",
            "value": "After three years of use, first as a crib mattress and then as a toddler mattress, it was still in excellent condition and the waterproofing still worked.",
            "stated_as": "After three years of use, first as a crib mattress and then as a toddler mattress, it was still in excellent condition and the waterproofing still worked.",
            "source_type": "blog",
            "source_url": "https://greenactivefamily.com/nursery/cribs-bedding/best-naturepedic-crib-mattress/",
            "source_read_at": "2026-10-15T08:15:27.961Z"
          }
        },
        {
          "column": "Support",
          "fact": null
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/7441178001482",
      "name": "Naturepedic Breathable Ultra Organic 2-Stage Crib Mattress (SKU MC47 lightweight; SKU MC47C innerspring)",
      "url": "/products/ucp/strolleria-com/7441178001482",
      "why": "Long-term use over three years as a crib mattress and then a toddler mattress left the mattress in good shape, including several moves and informal use as a floor and play mattress.",
      "cells": [
        {
          "column": "Long-term use",
          "fact": {
            "field": "long-term durability",
            "value": "Long-term use over three years as a crib mattress and then a toddler mattress left the mattress in good shape, including several moves and informal use as a floor and play mattress.",
            "stated_as": "Long-term use over three years as a crib mattress and then a toddler mattress left the mattress in good shape, including several moves and informal use as a floor and play mattress.",
            "source_type": "blog",
            "source_url": "https://greenactivefamily.com/nursery/cribs-bedding/best-naturepedic-crib-mattress/",
            "source_read_at": "2026-10-15T08:59:19.423Z"
          }
        },
        {
          "column": "Support",
          "fact": null
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/7439355805770",
      "name": "Naturepedic Classic Organic Cotton Crib Mattress (MC32)",
      "url": "/products/ucp/strolleria-com/7439355805770",
      "why": "Regards the Classic's 150-coil count as the minimum for a firm infant mattress and would prefer more coils; the Breathable models offer 252.",
      "cells": [
        {
          "column": "Long-term use",
          "fact": null
        },
        {
          "column": "Support",
          "fact": {
            "field": "construction",
            "value": "The innerspring model is built on a 150-coil innerspring with organic cotton batting and a firmness support layer.",
            "stated_as": "- 150 coil innerspring",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-14T20:08:47.220Z"
          }
        }
      ]
    }
  ]
}