{
  "schema_version": "compare-page.v2",
  "page_id": "crib-mattresses-with-two-firmness-stages-2cd2ffa1",
  "url": "https://robotrunk.com/compare/want/crib-mattresses-with-two-firmness-stages-2cd2ffa1",
  "title": "Crib mattresses with two firmness stages",
  "question": "Which crib mattresses have two firmness stages that can be used as a baby grows?",
  "answer": "Babyletto Pure Core Crib Mattress With Hybrid Quilted Waterproof Cover (2-Stage): The mattress is dual-sided: a firm side for infants that flips to a softer side for toddlers.\nDaVinci Premium 2-Stage Breathable: The infant side has an extra-firm surface with a breathable 3D mesh cover for enhanced airflow. The toddler side is designed with cozy, cool soy-infused memory foam for gentle cushioning.\nTempur-Pedic TEMPUR-Dream™ 2-Stage Crib Mattress: One side is a firmer high-density core for infants and the other is TEMPUR-Response memory foam for toddlers.\nLullaby Earth Breathe-Safe 2-Stage Crib Mattress: Dual firmness gives a firmer side for infants and a less firm reverse side for toddlers.\nKatu Organic 2-Stage Crib Mattress: Dual-sided organic crib mattress intended for infants and toddlers from 0 to 4+ years.",
  "kind": "mattress",
  "market": "US",
  "generated_at": "2026-10-22T23:00:09.928Z",
  "columns": [
    "Firmness stages",
    "Size",
    "Cover",
    "Certification or standard"
  ],
  "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": "Babyletto Pure Core Crib Mattress With Hybrid Quilted Waterproof Cover (2-Stage)",
      "field": "dimensions",
      "value": "The assembled mattress measures 52 inches long, 27.75 inches wide and 5 inches high.",
      "stated_as": "Assembled Dimensions: 52\"L x 27.75\"W x 5\"H",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-16T19:39:19.579Z"
    },
    {
      "ref": "p1.f2",
      "product": "Babyletto Pure Core Crib Mattress With Hybrid Quilted Waterproof Cover (2-Stage)",
      "field": "two-stage design",
      "value": "The mattress is dual-sided: a firm side for infants that flips to a softer side for toddlers.",
      "stated_as": "2-stage dual-sided mattress with a firm, supportive side for infants and can be flipped to a softer side for toddlers.",
      "source_type": "guide",
      "source_url": "https://top-stroll.myshopify.com/products/babyletto-pure-core-crib-mattress-with-hybrid-quilted-waterproof-cover-2-stage",
      "source_read_at": "2026-10-17T13:55:09.089Z"
    },
    {
      "ref": "p1.f8",
      "product": "Babyletto Pure Core Crib Mattress With Hybrid Quilted Waterproof Cover (2-Stage)",
      "field": "cover",
      "value": "The cover is removable and waterproof, with a soft quilted cotton face and a PVC-free waterproof backing made of food-grade polyethylene.",
      "stated_as": "2-IN-1 waterproof removable multifunctional cover with a soft quilted cotton face and PVC-free waterproof backing made with food-grade polyethylene to protect the mattress against accidents.",
      "source_type": "guide",
      "source_url": "https://top-stroll.myshopify.com/products/babyletto-pure-core-crib-mattress-with-hybrid-quilted-waterproof-cover-2-stage",
      "source_read_at": "2026-10-17T13:55:09.089Z"
    },
    {
      "ref": "p1.f11",
      "product": "Babyletto Pure Core Crib Mattress With Hybrid Quilted Waterproof Cover (2-Stage)",
      "field": "certification",
      "value": "It is GREENGUARD Gold Certified, having been tested for over 10,000 chemical emissions and VOCs.",
      "stated_as": "Greenguard Gold Certified and has undergone rigorous scientific testing for over 10,000 chemical emissions and VOCs.",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-16T19:39:19.579Z"
    },
    {
      "ref": "p2.f2",
      "product": "Lullaby Earth Breathe-Safe 2-Stage Crib Mattress",
      "field": "dimensions",
      "value": "Strolleria lists 27 1/4 × 51 5/8 × 6 inches, matching the maker; the sources disagree, as Bambi Baby lists 27.5 inches wide × 52 inches long × 6 inches high.",
      "stated_as": "• Dimensions: 27 1/4\" x 51 5/8\" x 6\"",
      "source_type": "guide",
      "source_url": "https://strolleria.myshopify.com/products/lullaby-earth-breathe-safe-2-stage-crib-mattress",
      "source_read_at": "2026-10-14T21:57:09.788Z"
    },
    {
      "ref": "p2.f7",
      "product": "Lullaby Earth Breathe-Safe 2-Stage Crib Mattress",
      "field": "firmness design",
      "value": "Dual firmness gives a firmer side for infants and a less firm reverse side for toddlers.",
      "stated_as": "Dual firmness design offers the firm side that infants need with a less firm reverse side for use during toddlerhood",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-14T20:08:47.220Z"
    },
    {
      "ref": "p2.f11",
      "product": "Lullaby Earth Breathe-Safe 2-Stage Crib Mattress",
      "field": "safety standard",
      "value": "All Lullaby Earth crib mattresses conform to the CPSC Safety Standard for Crib Mattresses, 16 CFR 1241.",
      "stated_as": "All Lullaby Earth crib mattresses conform to the Consumer Product Safety Commission\n(CPSC) Safety Standard For Crib Mattresses– 16 CFR 1241",
      "source_type": "manual",
      "source_url": "https://www.lullabyearth.com/media/wysiwyg/pdf/Lullaby_Earth_Certificate_of_General_Conformance_2.pdf",
      "source_read_at": "2026-10-14T21:57:20.631Z"
    },
    {
      "ref": "p2.f12",
      "product": "Lullaby Earth Breathe-Safe 2-Stage Crib Mattress",
      "field": "cover",
      "value": "Testers liked that a washable, waterproof cover is included and that the cover's large weave adds to the overall breathability.",
      "stated_as": "Testers liked that a washable, waterproof cover is included and that the cover's large weave adds to the overall breathability.",
      "source_type": "review",
      "source_url": "https://www.nappaawards.com/product/lullaby-earth-breathe-safe-breathable-crib-mattress/",
      "source_read_at": "2026-10-14T21:57:44.287Z"
    },
    {
      "ref": "p3.f1",
      "product": "DaVinci Premium 2-Stage Breathable",
      "field": "Stages",
      "value": "The infant side has an extra-firm surface with a breathable 3D mesh cover for enhanced airflow.",
      "stated_as": "The infant side features an extra-firm surface with a breathable 3D mesh cover for enhanced airflow and safer sleep.",
      "source_type": "listing",
      "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
      "source_read_at": "2026-10-09T19:37:33.489Z"
    },
    {
      "ref": "p3.f2",
      "product": "DaVinci Premium 2-Stage Breathable",
      "field": "Stages",
      "value": "The toddler side is designed with cozy, cool soy-infused memory foam for gentle cushioning.",
      "stated_as": "Flip it over for the toddler side, designed with cozy, cool soy-infused memory foam for gentle cushioning and balanced support.",
      "source_type": "listing",
      "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
      "source_read_at": "2026-10-09T19:37:33.489Z"
    },
    {
      "ref": "p3.f3",
      "product": "DaVinci Premium 2-Stage Breathable",
      "field": "Cover",
      "value": "It includes a removable, waterproof knit cover for easy cleaning.",
      "stated_as": "includes a removable, waterproof knit cover for easy cleaning",
      "source_type": "listing",
      "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
      "source_read_at": "2026-10-09T19:37:33.489Z"
    },
    {
      "ref": "p3.f5",
      "product": "DaVinci Premium 2-Stage Breathable",
      "field": "Certification",
      "value": "It is GREENGUARD GOLD CERTIFIED, tested for over 10,000 chemical emissions and VOCs.",
      "stated_as": "GREENGUARD GOLD CERTIFIED: This product has been tested for over 10,000 chemical emissions and VOCs",
      "source_type": "listing",
      "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
      "source_read_at": "2026-10-09T19:37:33.489Z"
    },
    {
      "ref": "p4.f2",
      "product": "Katu Organic 2-Stage Crib Mattress",
      "field": "product type",
      "value": "Dual-sided organic crib mattress intended for infants and toddlers from 0 to 4+ years.",
      "stated_as": "Dual-sided to suit both infants & toddlers: 0-4+ years",
      "source_type": "guide",
      "source_url": "https://getkatu.com/products/mattress",
      "source_read_at": "2026-10-22T12:21:28.921Z"
    },
    {
      "ref": "p4.f8",
      "product": "Katu Organic 2-Stage Crib Mattress",
      "field": "cover feel",
      "value": "The cover has a subtle sage-green colour, a very soft hand feel, stitched tree patterns, strong corner stitching and raised piping on the toddler side.",
      "stated_as": "The cover has a subtle sage-green colour, a very soft hand feel, stitched tree patterns, strong corner stitching and raised piping on the toddler side.",
      "source_type": "review",
      "source_url": "https://mommyhood101.com/katu-crib-mattress-review",
      "source_read_at": "2026-10-22T12:21:42.375Z"
    },
    {
      "ref": "p5.f5",
      "product": "Tempur-Pedic TEMPUR-Dream™ 2-Stage Crib Mattress",
      "field": "fit",
      "value": "It is a standard full-size crib mattress measuring 52 x 28 inches, sized to fit any USA standard-size crib and toddler bed snugly.",
      "stated_as": "Tempur-Pedic crib mattresses are standard full-size crib mattresses measuring 52 x 28 inches for a snug fit in any USA standard size crib and toddler bed.",
      "source_type": "guide",
      "source_url": "https://tempurpedicbaby.com/faq/",
      "source_read_at": "2026-10-20T16:03:04.624Z"
    },
    {
      "ref": "p5.f10",
      "product": "Tempur-Pedic TEMPUR-Dream™ 2-Stage Crib Mattress",
      "field": "firmness",
      "value": "One side is a firmer high-density core for infants and the other is TEMPUR-Response memory foam for toddlers.",
      "stated_as": "our premium high-density core creates a firmer side for infants as recommended by pediatricians, and our TEMPUR-Response Memory Foam delivers personalized comfort and support for toddlers.",
      "source_type": "guide",
      "source_url": "https://tempurpedicbaby.com/faq/",
      "source_read_at": "2026-10-20T16:03:04.624Z"
    },
    {
      "ref": "p5.f11",
      "product": "Tempur-Pedic TEMPUR-Dream™ 2-Stage Crib Mattress",
      "field": "cover",
      "value": "The cover zips off all the way around and its top and bottom are separate pieces for washing.",
      "stated_as": "The cover’s top and bottom are completely separate for convenient washing.",
      "source_type": "guide",
      "source_url": "https://top-stroll.myshopify.com/products/tempur-dream%E2%84%A2-2-stage-crib-mattress",
      "source_read_at": "2026-10-20T16:02:50.822Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/8728869110014",
      "name": "Babyletto Pure Core Crib Mattress With Hybrid Quilted Waterproof Cover (2-Stage)",
      "url": "/products/ucp/megababiesusa-com/8728869110014",
      "why": "The mattress is dual-sided: a firm side for infants that flips to a softer side for toddlers.",
      "cells": [
        {
          "column": "Firmness stages",
          "fact": {
            "field": "two-stage design",
            "value": "The mattress is dual-sided: a firm side for infants that flips to a softer side for toddlers.",
            "stated_as": "2-stage dual-sided mattress with a firm, supportive side for infants and can be flipped to a softer side for toddlers.",
            "source_type": "guide",
            "source_url": "https://top-stroll.myshopify.com/products/babyletto-pure-core-crib-mattress-with-hybrid-quilted-waterproof-cover-2-stage",
            "source_read_at": "2026-10-17T13:55:09.089Z"
          }
        },
        {
          "column": "Size",
          "fact": {
            "field": "dimensions",
            "value": "The assembled mattress measures 52 inches long, 27.75 inches wide and 5 inches high.",
            "stated_as": "Assembled Dimensions: 52\"L x 27.75\"W x 5\"H",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-16T19:39:19.579Z"
          }
        },
        {
          "column": "Cover",
          "fact": {
            "field": "cover",
            "value": "The cover is removable and waterproof, with a soft quilted cotton face and a PVC-free waterproof backing made of food-grade polyethylene.",
            "stated_as": "2-IN-1 waterproof removable multifunctional cover with a soft quilted cotton face and PVC-free waterproof backing made with food-grade polyethylene to protect the mattress against accidents.",
            "source_type": "guide",
            "source_url": "https://top-stroll.myshopify.com/products/babyletto-pure-core-crib-mattress-with-hybrid-quilted-waterproof-cover-2-stage",
            "source_read_at": "2026-10-17T13:55:09.089Z"
          }
        },
        {
          "column": "Certification or standard",
          "fact": {
            "field": "certification",
            "value": "It is GREENGUARD Gold Certified, having been tested for over 10,000 chemical emissions and VOCs.",
            "stated_as": "Greenguard Gold Certified and has undergone rigorous scientific testing for over 10,000 chemical emissions and VOCs.",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-16T19:39:19.579Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "modernnursery-com",
        "display_name": "modernnursery.com"
      },
      "product_id": "gid://shopify/Product/15089457037678",
      "name": "DaVinci Premium 2-Stage Breathable",
      "url": "/products/ucp/modernnursery-com/15089457037678",
      "why": "The infant side has an extra-firm surface with a breathable 3D mesh cover for enhanced airflow.",
      "cells": [
        {
          "column": "Firmness stages",
          "fact": {
            "field": "Stages",
            "value": "The infant side has an extra-firm surface with a breathable 3D mesh cover for enhanced airflow.",
            "stated_as": "The infant side features an extra-firm surface with a breathable 3D mesh cover for enhanced airflow and safer sleep.",
            "source_type": "listing",
            "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
            "source_read_at": "2026-10-09T19:37:33.489Z"
          }
        },
        {
          "column": "Size",
          "fact": null
        },
        {
          "column": "Cover",
          "fact": {
            "field": "Cover",
            "value": "It includes a removable, waterproof knit cover for easy cleaning.",
            "stated_as": "includes a removable, waterproof knit cover for easy cleaning",
            "source_type": "listing",
            "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
            "source_read_at": "2026-10-09T19:37:33.489Z"
          }
        },
        {
          "column": "Certification or standard",
          "fact": {
            "field": "Certification",
            "value": "It is GREENGUARD GOLD CERTIFIED, tested for over 10,000 chemical emissions and VOCs.",
            "stated_as": "GREENGUARD GOLD CERTIFIED: This product has been tested for over 10,000 chemical emissions and VOCs",
            "source_type": "listing",
            "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
            "source_read_at": "2026-10-09T19:37:33.489Z"
          }
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/7994373079294",
      "name": "Tempur-Pedic TEMPUR-Dream™ 2-Stage Crib Mattress",
      "url": "/products/ucp/megababiesusa-com/7994373079294",
      "why": "One side is a firmer high-density core for infants and the other is TEMPUR-Response memory foam for toddlers.",
      "cells": [
        {
          "column": "Firmness stages",
          "fact": {
            "field": "firmness",
            "value": "One side is a firmer high-density core for infants and the other is TEMPUR-Response memory foam for toddlers.",
            "stated_as": "our premium high-density core creates a firmer side for infants as recommended by pediatricians, and our TEMPUR-Response Memory Foam delivers personalized comfort and support for toddlers.",
            "source_type": "guide",
            "source_url": "https://tempurpedicbaby.com/faq/",
            "source_read_at": "2026-10-20T16:03:04.624Z"
          }
        },
        {
          "column": "Size",
          "fact": {
            "field": "fit",
            "value": "It is a standard full-size crib mattress measuring 52 x 28 inches, sized to fit any USA standard-size crib and toddler bed snugly.",
            "stated_as": "Tempur-Pedic crib mattresses are standard full-size crib mattresses measuring 52 x 28 inches for a snug fit in any USA standard size crib and toddler bed.",
            "source_type": "guide",
            "source_url": "https://tempurpedicbaby.com/faq/",
            "source_read_at": "2026-10-20T16:03:04.624Z"
          }
        },
        {
          "column": "Cover",
          "fact": {
            "field": "cover",
            "value": "The cover zips off all the way around and its top and bottom are separate pieces for washing.",
            "stated_as": "The cover’s top and bottom are completely separate for convenient washing.",
            "source_type": "guide",
            "source_url": "https://top-stroll.myshopify.com/products/tempur-dream%E2%84%A2-2-stage-crib-mattress",
            "source_read_at": "2026-10-20T16:02:50.822Z"
          }
        },
        {
          "column": "Certification or standard",
          "fact": null
        }
      ]
    },
    {
      "rank": 4,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/7653908938826",
      "name": "Lullaby Earth Breathe-Safe 2-Stage Crib Mattress",
      "url": "/products/ucp/strolleria-com/7653908938826",
      "why": "Dual firmness gives a firmer side for infants and a less firm reverse side for toddlers.",
      "cells": [
        {
          "column": "Firmness stages",
          "fact": {
            "field": "firmness design",
            "value": "Dual firmness gives a firmer side for infants and a less firm reverse side for toddlers.",
            "stated_as": "Dual firmness design offers the firm side that infants need with a less firm reverse side for use during toddlerhood",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-14T20:08:47.220Z"
          }
        },
        {
          "column": "Size",
          "fact": {
            "field": "dimensions",
            "value": "Strolleria lists 27 1/4 × 51 5/8 × 6 inches, matching the maker; the sources disagree, as Bambi Baby lists 27.5 inches wide × 52 inches long × 6 inches high.",
            "stated_as": "• Dimensions: 27 1/4\" x 51 5/8\" x 6\"",
            "source_type": "guide",
            "source_url": "https://strolleria.myshopify.com/products/lullaby-earth-breathe-safe-2-stage-crib-mattress",
            "source_read_at": "2026-10-14T21:57:09.788Z"
          }
        },
        {
          "column": "Cover",
          "fact": {
            "field": "cover",
            "value": "Testers liked that a washable, waterproof cover is included and that the cover's large weave adds to the overall breathability.",
            "stated_as": "Testers liked that a washable, waterproof cover is included and that the cover's large weave adds to the overall breathability.",
            "source_type": "review",
            "source_url": "https://www.nappaawards.com/product/lullaby-earth-breathe-safe-breathable-crib-mattress/",
            "source_read_at": "2026-10-14T21:57:44.287Z"
          }
        },
        {
          "column": "Certification or standard",
          "fact": {
            "field": "safety standard",
            "value": "All Lullaby Earth crib mattresses conform to the CPSC Safety Standard for Crib Mattresses, 16 CFR 1241.",
            "stated_as": "All Lullaby Earth crib mattresses conform to the Consumer Product Safety Commission\n(CPSC) Safety Standard For Crib Mattresses– 16 CFR 1241",
            "source_type": "manual",
            "source_url": "https://www.lullabyearth.com/media/wysiwyg/pdf/Lullaby_Earth_Certificate_of_General_Conformance_2.pdf",
            "source_read_at": "2026-10-14T21:57:20.631Z"
          }
        }
      ]
    },
    {
      "rank": 5,
      "merchant": {
        "slug": "modernnursery-com",
        "display_name": "modernnursery.com"
      },
      "product_id": "gid://shopify/Product/15261754589550",
      "name": "Katu Organic 2-Stage Crib Mattress",
      "url": "/products/ucp/modernnursery-com/15261754589550",
      "why": "Dual-sided organic crib mattress intended for infants and toddlers from 0 to 4+ years.",
      "cells": [
        {
          "column": "Firmness stages",
          "fact": {
            "field": "product type",
            "value": "Dual-sided organic crib mattress intended for infants and toddlers from 0 to 4+ years.",
            "stated_as": "Dual-sided to suit both infants & toddlers: 0-4+ years",
            "source_type": "guide",
            "source_url": "https://getkatu.com/products/mattress",
            "source_read_at": "2026-10-22T12:21:28.921Z"
          }
        },
        {
          "column": "Size",
          "fact": null
        },
        {
          "column": "Cover",
          "fact": {
            "field": "cover feel",
            "value": "The cover has a subtle sage-green colour, a very soft hand feel, stitched tree patterns, strong corner stitching and raised piping on the toddler side.",
            "stated_as": "The cover has a subtle sage-green colour, a very soft hand feel, stitched tree patterns, strong corner stitching and raised piping on the toddler side.",
            "source_type": "review",
            "source_url": "https://mommyhood101.com/katu-crib-mattress-review",
            "source_read_at": "2026-10-22T12:21:42.375Z"
          }
        },
        {
          "column": "Certification or standard",
          "fact": null
        }
      ]
    }
  ]
}