{
  "schema_version": "compare-page.v2",
  "page_id": "crib-mattress-covers-and-baby-overheating",
  "url": "https://robotrunk.com/compare/want/crib-mattress-covers-and-baby-overheating",
  "title": "Crib mattress covers and baby overheating",
  "question": "Will a crib mattress cover cause a baby to sleep too warm?",
  "answer": "Naturepedic Breathable Ultra Crib Mattress Cover: Designed to maximize airflow between baby and mattress and keep baby cool and dry without overheating or sweating.\nNaturepedic PC46 (standard crib) / PC46-MN (mini crib): The reviewer describes airflow through the cover as helping reduce heat buildup and supporting temperature regulation.\nNaturepedic Breathable Crib Mattress Cover: Air flows through the cover, which the reviewer says prevents heat buildup and helps babies regulate their temperature instead of overheating at night.\nLullaby Earth Breeze Breathable Washable Crib Mattress Pad: Breathable surface maximizes airflow.",
  "kind": "mattress protector",
  "market": "US",
  "generated_at": "2026-10-17T05:17:02.052Z",
  "columns": [
    "Airflow",
    "Fit",
    "Cover materials"
  ],
  "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.f2",
      "product": "Naturepedic Breathable Ultra Crib Mattress Cover",
      "field": "description",
      "value": "Designed to maximize airflow between baby and mattress and keep baby cool and dry without overheating or sweating.",
      "stated_as": "designed to maximize airflow between the baby and mattress. This airflow design keeps your baby cool and dry for a comfortable sleep without overheating or sweating.",
      "source_type": "guide",
      "source_url": "https://strolleria.myshopify.com/products/naturepedic-ultra-breathable-mattress-cover",
      "source_read_at": "2026-10-15T09:42:39.543Z"
    },
    {
      "ref": "p1.f4",
      "product": "Naturepedic Breathable Ultra Crib Mattress Cover",
      "field": "cover construction",
      "value": "The cover/pad is quilted with a 100% organic cotton fiber face over a breathable mesh layer and a 100% polyester backing.",
      "stated_as": "The cover/pad is quilted with a 100% organic cotton fiber face over a breathable mesh layer and a 100% polyester backing.",
      "source_type": "review",
      "source_url": "https://www.mattressclarity.com/crib-mattress-reviews/naturepedic-ultra-breathable-organic/",
      "source_read_at": "2026-10-15T09:42:41.999Z"
    },
    {
      "ref": "p1.f10",
      "product": "Naturepedic Breathable Ultra Crib Mattress Cover",
      "field": "airflow",
      "value": "Designed to maximize airflow between baby and mattress and keep baby cool and dry.",
      "stated_as": "The Ultra-Breathable Mattress Pad features an organic cotton surface fabric quilted to a breathable material and is designed to maximize airflow between the baby and mattress. This airflow design keeps your baby cool and dry for a comfortable sleep without overheating or sweating.",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-14T20:08:47.220Z"
    },
    {
      "ref": "p1.f11",
      "product": "Naturepedic Breathable Ultra Crib Mattress Cover",
      "field": "fit",
      "value": "Fits standard size crib mattress.",
      "stated_as": "Fits standard size crib mattress",
      "source_type": "guide",
      "source_url": "https://strolleria.myshopify.com/products/naturepedic-ultra-breathable-mattress-cover",
      "source_read_at": "2026-10-15T09:42:39.543Z"
    },
    {
      "ref": "p2.f1",
      "product": "Naturepedic PC46 (standard crib) / PC46-MN (mini crib)",
      "field": "fit",
      "value": "Fits standard size cribs and mini cribs.",
      "stated_as": "Fits standard size cribs and mini cribs",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-14T20:08:47.220Z"
    },
    {
      "ref": "p2.f9",
      "product": "Naturepedic PC46 (standard crib) / PC46-MN (mini crib)",
      "field": "materials",
      "value": "Top fabric is organic cotton and the bottom fabric is polyester.",
      "stated_as": "TOP FABRIC:  Organic cotton  |  BOTTOM FABRIC: Polyester",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-14T20:08:47.220Z"
    },
    {
      "ref": "p2.f10",
      "product": "Naturepedic PC46 (standard crib) / PC46-MN (mini crib)",
      "field": "breathability",
      "value": "A 3D airflow layer creates space beneath the baby so air circulates around the body and heat builds up less.",
      "stated_as": "A 3D airflow layer creates space beneath your baby, allowing air to circulate more freely around their body.",
      "source_type": "guide",
      "source_url": "https://www.naturepedic.com/products/organic-breathable-crib-cover",
      "source_read_at": "2026-10-15T08:05:40.030Z"
    },
    {
      "ref": "p2.f11",
      "product": "Naturepedic PC46 (standard crib) / PC46-MN (mini crib)",
      "field": "temperature",
      "value": "The reviewer describes airflow through the cover as helping reduce heat buildup and supporting temperature regulation.",
      "stated_as": "Because air flows through the cover, heat does not build up, which helps babies regulate their temperature and sleep without overheating.",
      "source_type": "review",
      "source_url": "https://nonbiasedreviews.com/naturepedic-breathable-crib-mattress-cover-review/",
      "source_read_at": "2026-10-15T08:06:27.021Z"
    },
    {
      "ref": "p3.f1",
      "product": "Naturepedic Breathable Crib Mattress Cover",
      "field": "fit and safety use",
      "value": "This size is made for mini cribs and should only be used when properly secured around the mattress corners.",
      "stated_as": "Fits standard size cribs and mini cribs. Only use when properly secured around mattress corners",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-14T20:08:47.220Z"
    },
    {
      "ref": "p3.f3",
      "product": "Naturepedic Breathable Crib Mattress Cover",
      "field": "what it does",
      "value": "The cover is meant to make any crib mattress breathable using an organic cotton cover.",
      "stated_as": "Make any crib mattress a breathable mattress with this organic cotton cover.",
      "source_type": "guide",
      "source_url": "https://www.naturepedic.com/products/organic-breathable-crib-cover",
      "source_read_at": "2026-10-15T08:12:22.285Z"
    },
    {
      "ref": "p3.f5",
      "product": "Naturepedic Breathable Crib Mattress Cover",
      "field": "layer materials",
      "value": "The cover's top layer is organic cotton and the bottom layer is polyester.",
      "stated_as": "Top Layer: Organic cotton",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-14T20:08:47.220Z"
    },
    {
      "ref": "p3.f12",
      "product": "Naturepedic Breathable Crib Mattress Cover",
      "field": "breathability",
      "value": "Air flows through the cover, which the reviewer says prevents heat buildup and helps babies regulate their temperature instead of overheating at night.",
      "stated_as": "Air flows through the cover, which the reviewer says prevents heat buildup and helps babies regulate their temperature instead of overheating at night.",
      "source_type": "review",
      "source_url": "https://nonbiasedreviews.com/naturepedic-breathable-crib-mattress-cover-review/",
      "source_read_at": "2026-10-15T08:12:25.993Z"
    },
    {
      "ref": "p5.f4",
      "product": "Lullaby Earth Breeze Breathable Washable Crib Mattress Pad",
      "field": "Fit",
      "value": "Fits standard size crib mattresses.",
      "stated_as": "Fits standard size crib mattresses",
      "source_type": "listing",
      "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
      "source_read_at": "2026-10-09T19:37:33.489Z"
    },
    {
      "ref": "p5.f6",
      "product": "Lullaby Earth Breeze Breathable Washable Crib Mattress Pad",
      "field": "Breathability",
      "value": "Breathable surface maximizes airflow.",
      "stated_as": "breathable surface maximizes airflow",
      "source_type": "listing",
      "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
      "source_read_at": "2026-10-09T19:37:33.489Z"
    }
  ],
  "rows": [
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      "rank": 1,
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        "slug": "strolleria-com",
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      },
      "product_id": "gid://shopify/Product/8189249290314",
      "name": "Naturepedic Breathable Ultra Crib Mattress Cover",
      "url": "/products/ucp/strolleria-com/8189249290314",
      "why": "Designed to maximize airflow between baby and mattress and keep baby cool and dry without overheating or sweating.",
      "cells": [
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          "column": "Airflow",
          "fact": {
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          "column": "Fit",
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            "source_read_at": "2026-10-15T09:42:39.543Z"
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        {
          "column": "Cover materials",
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            "field": "cover construction",
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            "stated_as": "The cover/pad is quilted with a 100% organic cotton fiber face over a breathable mesh layer and a 100% polyester backing.",
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      },
      "product_id": "gid://shopify/Product/8189250437194",
      "name": "Naturepedic PC46 (standard crib) / PC46-MN (mini crib)",
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      "why": "The reviewer describes airflow through the cover as helping reduce heat buildup and supporting temperature regulation.",
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            "field": "fit",
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            "stated_as": "Fits standard size cribs and mini cribs",
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          "column": "Cover materials",
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            "field": "materials",
            "value": "Top fabric is organic cotton and the bottom fabric is polyester.",
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            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-14T20:08:47.220Z"
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      "rank": 3,
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      "name": "Naturepedic Breathable Crib Mattress Cover",
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      "why": "Air flows through the cover, which the reviewer says prevents heat buildup and helps babies regulate their temperature instead of overheating at night.",
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            "source_type": "guide",
            "source_url": "https://www.naturepedic.com/products/organic-breathable-crib-cover",
            "source_read_at": "2026-10-15T08:12:22.285Z"
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          "column": "Fit",
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          "column": "Cover materials",
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          "column": "Airflow",
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            "field": "Breathability",
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            "field": "Fit",
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            "stated_as": "Fits standard size crib mattresses",
            "source_type": "listing",
            "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
            "source_read_at": "2026-10-09T19:37:33.489Z"
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        {
          "column": "Cover materials",
          "fact": null
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}