best firm crib mattress

Rating details & item highlights

• ease of cleaning
  3.3 out of 5

• Breathable, Antibacterial & Waterproof Cover: Breathable airy spacer knit mesh side is perfect for the infant side of baby's mattress. Flip it over and a reinforced antibacterial surface helps maintain a sanitary surface. Medical-grade laboratory tested cover is gentle on baby, harsh on bacteria. Waterproof materials keep mattress free of odor and liquids inside.
• Firmness & Safety Tested 2-Stage Dual Firm Core: Hypoallergenic airy core is lightweight and made in the USA with sustainable fibers. A firmer side supports infants while a slightly softer side is cozy for toddlers.
• Versatile Design: Grow-with-me staged design inside and out and can be used for newborns through 6 years for a snug fit in both full size cribs and toddler beds. Sized at 52"" x 28"" x 5.5"" to fit your favorite crib or toddler bed.
• American-Made Safety and Quality: More babies sleep on a Sealy than any other brand and all Sealy baby crib mattresses are made in the USA by experts in sleep technology. Sealy crib mattresses are firmness tested to help reduce the risk of suffocation.
• GREENGUARD GOLD Certified & Non-Toxic for Babies: All the materials used have been tested for safe use with children and are non-toxic for babies. GREENGUARD GOLD Certified for air quality, CPSIA and CPSC approved and pass ASTM crib mattress safety standards, including crib fit safety, firmness and durability tests.
• Dimensions (Overall): 52 Inches (L), 27.5 Inches (W)
• Weight: 11 Pounds
• Suggested Age: 0-6 Years
• Fill Material: 21% Cotton, 79% Polyester
• Fabric Name: Mesh
• Cover Material: Rayon From Bamboo

Rating details & item highlights

• comfort
  3.8 out of 5
• value
  3.5 out of 5
• durable
  3.5 out of 5
• ease of cleaning
  3.4 out of 5

• AWARD-WINNING MATTRESS: Proudly awarded the Parent Tested Parent Approved (PTPA) Seal of Approval; 2023 PTPA Top Product Award; Women's Choice Award for 9 out of 10 Customer Recommended Crib and Toddler Mattress; National Parenting Product Awards Winner
• GREENGUARD GOLD CERTIFIED: Certified products are screened for more than 10,000 chemicals and VOCs known to pollute indoor air
• FORMALDEHYDE FREE CERTIFIED: Lab tested in environmental chambers and certified by UL to be free from formaldehyde
• FIBERGLASS FREE AND FREE OF CHEMICAL FLAME RETARDANTS: This mattress is free of fiberglass and free of chemical flame retardants
• CERTIPUR-US CERTIFIED FOAM: Certified flexible polyurethane foams meet CertiPUR-US program standards for content, emissions and durability, and are analyzed by independent, accredited testing laboratories
• JPMA CERTIFIED: Expert tested by independent laboratories to guarantee this product meets the highest standards for your child’s safety
• Dimensions (Overall): 52 Inches (L), 27.6 Inches (W)
• Weight: 7 Pounds
• Suggested Age: 0-3 Years
• Fill Material: 100% Polyurethane Foam
• Fabric Name: Knit
• Cover Material: Polyester

Rating details & item highlights

• ease of cleaning
  3.7 out of 5

• CRIB MATTRESS SAFETY LEADERSHIP: Family-owned Kolcraft makes the most trusted baby mattresses, meeting or exceeding safety standards for firmness, harsh chemicals, durability and quality control systems. Proudly made & innovated in the USA since 1946.
• PREMIER FIRMNESS & QUALITY: American-made support coil system, 80 interwoven heat-tempered springs flex under baby's weight. Hypoallergenic, airy layers of comfort cushioning that are gentle on baby's head & body.
• LIGHTWEIGHT & PERFECT CRIB FIT: Weighs only 10 lbs., easily lift to change sheets. Measures 52"Lx27.5"x5" thick for a snug fit in any USA standard size crib and toddler bed. No flame retardant chemicals, formaldehyde, mercury, lead or harsh chemicals.
• MADE IN THE USA: American-made steel coils can last forever. Made with American and globally screened and sourced materials for lasting quality. Warranty on workmanship & materials.
• SAFETY TESTING & CERTIFIED: GREENGUARD Gold Certified for a healthier indoor environment, passes WA’s Toxic Chemicals Act for chemicals of high concern to children regulations, ASTM certified for firmness, durability and proper crib fit.
• Dimensions (Overall): 52 Inches (L), 27.5 Inches (W)
• Weight: 10 Pounds
• Suggested Age: 0-3 Years
• Fill Material: 100% Polyester
• Fabric Name: Knit
• Cover Material: Polyester

Rating details & item highlights

• comfort
  4.6 out of 5
• durable
  4.2 out of 5
• value
  4.1 out of 5
• quality
  4 out of 5

• POSTUREPEDIC ADVANCED ZONED SUPPORT: Legendary Posturepedic zoned support grows with your child's needs with targeted areas of support and comfort. Infant side has extra posture support and firmness in the center zone where babies are placed in their crib the most. Toddler side has cozier cushioning plus extra head and foot supports for your more active toddler.
• PREMIUM AMERICAN-MADE POSTURE SYSTEM: 204 premium steel innersprings engineered in the USA offer lifetime support plus a steel support frame and 10 EverEdge guards for added safety and lasting durability.
• BREATHABLE COTTON WATERPROOF COVER: Breathable crib mattress cotton fabric is gentle on baby's skin while a waterproof barrier creates a healthier environment by protecting against liquids from seeping inside that cause odor, mold or bacteria. No harsh chemicals are added to the cover to create a fresh, non toxic surface for babies.
• FIRMNESS & SAFETY TESTED: Grow-with-me zoned support is tested for safe use with infants and toddlers for years of durable use. Baby mattress for crib fits all standard full size cribs and toddler beds sized just under 52" x 28" x 5.75" for a perfectly snug fit.
• GREENGUARD GOLD CERTIFIED & NON TOXIC FOR BABIES: All materials have been tested for safe use with children and are non toxic for babies. GREENGUARD GOLD Certified for air quality and passes various state Chemical of High Concern to Children regulations for the safety and quality your baby deserves.
• Dimensions (Overall): 51.63 Inches (L), 27.25 Inches (W)
• Weight: 14.4 Pounds
• Suggested Age: 0-6 Years
• Fill Material: 100% Cotton
• Fabric Name: Knit
• Features: Breathable

Rating details & item highlights

• 2-stage design with a firmer infant side and softer toddler side for comfort from infancy through toddlerhood
• Deluxe innerspring core with 204 heavy-gauge steel coils and a full perimeter border wire for an extra firm sleeping surface
• EverEdge corner pylons and an anti-sag weight distribution system keeps infants well supported
• Airy cushioning layer flexes under baby’s body weight and contours to baby’s body
• Hypoallergenic layers plus a full cotton wrap provide additional durability, support and comfort
• Premium cotton cover is breathable on baby’s skin with a waterproof barrier for easy cleaning
• Dimensions (Overall): 51.63 Inches (L), 27.25 Inches (W)
• Weight: 17.75 Pounds
• Suggested Age: 0-6 Years
• Fill Material: 100% Polyester Fiber
• Fabric Name: Woven
• Features: 2-Stage (Infant-Toddler), Hypoallergenic, Waterproof Cover