By Audrey HayesUpdated November 2026
Shopping for a simmons beautysleep organic crib mattress usually means sorting through a lot of overlapping labels: organic, GOTS, GREENGUARD Gold, CertiPUR-US, plant-based, waterproof. This guide narrows the field to six crib and toddler mattresses that buyers often compare with the Simmons Beautysleep line. Our selection criteria were specifications stated by manufacturers, the certifications each product carries, brand reputation for safety testing, and patterns in owner feedback about firmness, odor and durability. We did not test these mattresses ourselves; everything below is drawn from published specs and documented owner experiences.
Best overall: Simmons Kids SlumberTime Naturally 2-Stage – View on Amazon
Our top picks at a glance
- 1
TOP CHOICEBest overallSimmons Kids SlumberTime Naturally 2-Stage Premium Plant-Based Soy Foam Baby Crib MattressView on Amazon - 2
TOP CHOICEBest for certified organic materialsDelta Children CleanEarth Certified Organic Crib and Toddler MattressView on Amazon - 3
TOP CHOICEBest budget pickLetmxiu Premium Crib & Toddler MattressView on Amazon - 4
Best for lightweight, two-sided useOrganic Cotton Covered 2-Sided Crib MattressView on Amazon - 5
Best for a long warrantySerta Perfect Start Limited Dual Sided Baby Crib MattressView on Amazon - 6
Best for small cribs and portable bedsNaturepedic Organic Mini Crib MattressView on Amazon
Our Top Picks
Quick Comparison
| Product | Best for | Key feature |
|---|---|---|
| Simmons Kids SlumberTime Naturally 2-Stage | Families who want a Simmons-brand, plant-based option | Soy foam core with GREENGUARD Gold and CertiPUR-US certification |
| Delta Children CleanEarth Certified Organic Crib and Toddler Mattress | Buyers who prioritize organic certification | GOTS-certified organic materials |
| Letmxiu Premium Crib & Toddler Mattress | Shoppers on a tighter budget | Knitted fabric cover with a firm, 5-inch core |
| Organic Cotton Covered 2-Sided Crib Mattress | Lightweight, easy-to-move use | Two-sided design with organic cotton cover |
| Serta Perfect Start Limited Dual Sided Baby Crib Mattress | Buyers who value warranty coverage | 7-year limited warranty and GREENGUARD Gold certification |
| Naturepedic Organic Mini Crib Mattress | Mini cribs, bassinets and toddler beds | Compact 23.5 x 37.5 inch organic design |
Simmons Kids SlumberTime Naturally 2-Stage Premium Plant-Based Soy Foam Baby Crib Mattress
Simmons Kids SlumberTime Naturally 2-Stage Premium Plant-Based Soy Foam Baby Crib Mattress & Toddler Mattress – Waterproof – GREENGUARD Gold & CertiPUR-US Certified – Ideal Firmness – Made in USA
Best for: Families who want a Simmons-brand crib mattress with plant-based materials and recognized low-emission certifications.
This is the closest match to the Simmons Beautysleep name in this lineup and suits parents who want a established mattress brand with third-party chemical certifications. Its two-stage design lets it serve from infancy through the toddler years.
Key specs
- Plant-based soy foam core
- Waterproof surface
- GREENGUARD Gold and CertiPUR-US certified
- Made in USA
- Two-stage design for baby and toddler use
Pros
- Plant-based core rather than petroleum-based foam
- Certifications for low chemical emissions
- Recognized mattress brand with a Made in USA claim
Cons
- Soy-based foam is not the same as a GOTS organic certification
- Firmness suits most users, but some parents prefer a firmer or softer feel
Bottom line: A strong pick for parents who want the Simmons name with plant-based, certified materials and do not need full GOTS organic status.
Delta Children CleanEarth Certified Organic Crib and Toddler Mattress
Delta Children CleanEarth Certified Organic Crib and Toddler Mattress – GOTS Certified, Non-Toxic Breathable Baby Mattress – Regulates Temperature, 10-Year Warranty
Best for: Buyers who want GOTS-certified organic materials and a mattress that stays within a clear, verifiable standard.
Parents who read labels closely often look for GOTS certification because it covers the full supply chain of organic fibers. This model is built around that claim and is designed for both crib and toddler bed use.
Key specs
- GOTS certified organic construction
- Breathable design marketed for temperature regulation
- Non-toxic materials per manufacturer claims
- 10-year warranty
Pros
- GOTS certification is a recognized organic standard
- Long 10-year warranty
- Works for crib and toddler bed sizes
Cons
- Organic claims are only as strong as the certification you verify on the packaging
- Some owners find organic cotton firmer than synthetic alternatives
Bottom line: The best pick here for buyers whose top priority is a recognized organic certification.
Letmxiu Premium Crib & Toddler Mattress
Letmxiu Premium Crib & Toddler Mattress,100% Knitted Fabric, Premium Fleece Surface-Hypoallergenic, 5" Thick Firm Soft Crib Mattress, Non-Toxic – Fits Standard Cribs & Toddler Beds
Best for: Shoppers who want a non-toxic, firm mattress with a soft fabric surface at a budget-friendly tier.
This mattress suits families who want a basic, firm, non-toxic crib mattress without premium certification costs built into the product. It fits standard cribs and toddler beds.
Key specs
- 5-inch thick firm core
- 100% knitted fabric cover
- Premium fleece surface, hypoallergenic per manufacturer
- Fits standard cribs and toddler beds
Pros
- Firm support that meets typical crib safety expectations
- Soft knitted cover is easy to wipe clean
- Budget-friendly option within this group
Cons
- Fewer third-party organic or emissions certifications are listed than on premium models
- Owners report that the fleece surface can be less durable with frequent washing
Bottom line: A practical choice for budget-minded parents who prioritize firmness and a soft cover over organic certification.
Organic Cotton Covered 2-Sided Crib Mattress
Organic Cotton Covered 2-Sided Crib Mattress | Premium Memory Foam Hypoallergenic Light 2-in-1 Baby Mattress, Firm Support for Infant Soft CertiPUR Foam for Toddler, Waterproof & Washable | 52×27.5×4”
Best for: Parents who want a lightweight, two-sided crib mattress with an organic cotton cover and CertiPUR-style foam.
The two-sided design and lighter weight make it easier to flip, rotate and move between rooms. It is a good fit for families who change crib setups often.
Key specs
- Organic cotton cover
- Memory foam core
- Two-sided design
- Waterproof and washable cover per listing
- Dimensions listed as 52 x 27.5 x 4 inches
Pros
- Lightweight and easy to rotate
- Organic cotton cover with a washable design
- Two firmness options in one product
Cons
- Memory foam can retain heat, which some parents dislike
- Organic claims on the cover do not cover the foam core, so check specifics
Bottom line: A good middle-ground choice for buyers who want easy handling and a two-sided feel.
Serta Perfect Start Limited Dual Sided Baby Crib Mattress
Serta Perfect Start Limited Dual Sided Baby Crib Mattress and Toddler Mattress, Breathable Fiber Core, GREENGUARD Gold Certified, Waterproof, 7 Year Warranty, Made in USA
Best for: Buyers who want a long limited warranty and GREENGUARD Gold certification from a well-known mattress brand.
This model is a useful comparison point for the Simmons Beautysleep line because both are mainstream mattress brands with certified low-emission claims. It is designed for two-sided use.
Key specs
- Breathable fiber core
- GREENGUARD Gold certified
- Waterproof surface
- 7-year limited warranty
- Made in USA
Pros
- 7-year limited warranty
- GREENGUARD Gold certification for low chemical emissions
- Dual-sided design
Cons
- Not an organic-certified product
- Fiber core is less commonly described as natural than plant-based cores
Bottom line: A solid pick for parents who prioritize emissions certification and a long warranty over organic materials.
Naturepedic Organic Mini Crib Mattress
Naturepedic Organic Mini Crib Mattress – Breathable & Lightweight Infant & Toddler Mattress – Waterproof Baby Bed Mattress for Crib – Non-Toxic Mattress for Baby and Toddler Bed – 23.5" x 37.5" x 3"
Best for: Mini cribs, bassinets, portable play yards and toddler beds where a standard crib mattress will not fit.
Naturepedic is a brand known for organic crib mattresses, and this compact version targets families who need a smaller footprint. Confirm the listed dimensions against your bed before buying.
Key specs
- Dimensions: 23.5 x 37.5 x 3 inches
- Breathable, lightweight construction
- Waterproof surface
- Marketed as non-toxic and organic
Pros
- Compact size for mini cribs and portable beds
- Lightweight and easy to move
- Organic positioning from an established organic-focused brand
Cons
- Only useful if your bed uses this size
- Thinner profile means less cushioning than a full-size mattress
Bottom line: The right choice for mini or portable sleep spaces, not for standard full-size cribs.
Buying Guide
Certifications and What They Actually Mean
Organic claims, GOTS, GREENGUARD Gold and CertiPUR-US all verify different things. GOTS covers organic fiber content across the supply chain, while GREENGUARD Gold limits volatile chemical emissions. Check which certification a product actually names rather than relying on a general “organic” or “natural” label.
Good picks for this: Delta Children CleanEarth Certified Organic Crib and Toddler Mattress, Simmons Kids SlumberTime Naturally 2-Stage
Firmness and Support
Crib safety guidance calls for a firm, flat surface that fits the bed snugly with no gaps. A soft mattress raises concerns about suffocation risk, so choose a firm core even if the cover feels plush.
Good picks for this: Letmxiu Premium Crib & Toddler Mattress, Serta Perfect Start Limited Dual Sided Baby Crib Mattress
Size and Fit
Measure your crib’s interior length and width before ordering. Standard full-size cribs typically take a mattress around 52 x 28 inches. A mattress that is too small leaves gaps where a baby could become trapped, so the fit should be snug.
Good picks for this: Organic Cotton Covered 2-Sided Crib Mattress, Naturepedic Organic Mini Crib Mattress
Waterproofing and Cleaning
A waterproof surface protects the core from fluids, but the cover should still be removable or wipeable. Check whether the cover is machine washable and how the manufacturer recommends cleaning, since harsh chemicals can undo low-emission claims.
Good picks for this: Simmons Kids SlumberTime Naturally 2-Stage, Letmxiu Premium Crib & Toddler Mattress
Weight and Portability
If you move the mattress often or flip it for airing out, a lighter model is easier to handle. Compare the listed dimensions and thickness, since a thinner mattress may not suit every bed frame.
Good picks for this: Organic Cotton Covered 2-Sided Crib Mattress, Naturepedic Organic Mini Crib Mattress
Durability and Warranty
Warranty length tells you what the manufacturer expects from the product. A longer limited warranty is a useful signal, though it does not replace reading the coverage terms for wear, stains and sagging.
Good picks for this: Serta Perfect Start Limited Dual Sided Baby Crib Mattress, Delta Children CleanEarth Certified Organic Crib and Toddler Mattress
Toddler Use and Age Range
Many crib mattresses are marketed for both infant and toddler stages. Confirm the mattress is rated for your child’s age and bed type, and replace it if it no longer fits the frame securely.
Good picks for this: Simmons Kids SlumberTime Naturally 2-Stage, Delta Children CleanEarth Certified Organic Crib and Toddler Mattress
FAQ
Is the Simmons Beautysleep organic crib mattress really organic?
Check the product page and packaging for the exact certification named. Some Simmons-brand crib mattresses use plant-based or certified low-emission materials, which is different from full GOTS organic status. Read the specific claim before assuming the whole mattress is organic.
What firmness should a crib mattress have?
A crib mattress should be firm and flat so the baby can sleep on a stable surface. Soft or sagging mattresses raise suffocation risk, so avoid products that compress under light pressure.
How do I know if a mattress fits my crib?
Measure the interior of the crib frame and compare it with the mattress dimensions. The mattress should fill the frame with no gap wider than about two fingers along any side.
What does GREENGUARD Gold mean?
GREENGUARD Gold is a certification from UL that sets limits on volatile organic compound emissions. It indicates lower chemical emissions for the certified product, but it is not the same as an organic fiber certification.
How often should I replace a crib mattress?
Replace a crib mattress if it sags, cracks, has a damaged cover, or no longer fits the frame securely. Check the manufacturer’s guidance and your child’s age-range recommendations.
Can I use a mattress pad with an organic crib mattress?
Only use a thin, fitted pad that does not add loft or create a soft surface. Consult the manufacturer and your pediatrician before adding any accessory, since extra padding can affect safe sleep.
Conclusion
For most buyers searching for a simmons beautysleep organic crib mattress, the Simmons Kids SlumberTime Naturally 2-Stage is the most direct comparison, with plant-based materials and recognized emissions certifications. Parents who want a verified organic standard should look at the Delta Children CleanEarth Certified Organic model. Budget-focused buyers may prefer the Letmxiu, while families with mini cribs or portable beds should choose the Naturepedic Organic Mini. Whichever you pick, verify the certifications on the current listing and confirm the fit before buying. For health-related questions about your child’s sleep setup, consult your pediatrician.
Sources
- Federal safety guidance on crib standards and safe infant sleep environments (cpsc.gov)
- Pediatric recommendations on safe sleep, mattress firmness and infant sleep surfaces (aap.org)
- Information on GREENGUARD Gold certification criteria for chemical emissions (ul.com)
Related reading
- Simmons Organic Crib Mattress: What to Check Before You Buy (2026)
- Simmons Naturally Safer Organic Crib Mattress: 5 Best Options Compared (2026)
- Simmons Beautyrest Organic Crib Mattress: What to Check Before You Buy (2026)
- Sealy Crib Mattress Organic: Is It Really Organic? A Buyer's Checklist (2026)
- Savvy Baby Organic Crib Mattress: 5 Best Options for Safe Sleep (2026)
About Audrey Hayes
Audrey Hayes is part of our editorial team and reviews and edits our natural & eco parenting guides, checking product details against manufacturer specifications and owner feedback.
