10 Best Firm Bed of December 2025

• FIRM SUPPORT, PLUS MORE - Our firmest mattress ever is engineered with 10% more heavy gauge steel iCoil pocket innersprings for added stability and extra firmness, ideal for stomach sleepers and plus-sized individuals
• SUPPORTIVE FOAM & POCKET SPRINGS - 1.25 inches soft comfort foam, 1 inch durable high-density foam and 7.5 motion-isolating iCoil pocket springs with a quilted jacquard cover
• CERTIPUR US CERTIFIED - Highest quality foam is CertiPUR-US Certified for durability, performance, and content
• EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed into one box that’s easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours
• Worry-free 10 year limited warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs
• 1 .5 inch top Comfort Foam layer, 1 inch High Density Foam Support layer
• 7.5 inch base layer of over 10% more individually wrapped coils assures no motion transfer
• Extra firm support
• Only the Highest Quality of Foam - Foam is CertiPUR-US Certified for durability, performance, and content
• Worry free 10 year limited warranty

Zinus

• All the comfort and trusted quality of a Sealy mattress, delivered right to your door and ready to use within 24 hours | This mattress is constructed with memory foam instead of innersprings
• Product Size – 75” L x 38” W x 8” H | Feel – Firm
• The top layer of foam cradles and adapts to you, offering a high resilient, bounce-back feel
• The denser foam layer deeper in the mattress provides support and durability, pairing with the top layer for a firm but comforting feel
• 2” top layer of foam “hugs” you for responsive, personalized comfort, while the 6” denser foam layer deeper in the mattress helps keep you supported
• We suggest purchasing a Sealy certified platform, box spring or base for your mattress | Open-cell conventional foam promotes free airflow and less heat retention for a more refreshing sleep

Sealy

• HIGH QUALITY: Made of 100% ultra-plush down alternative polyester filling; 800 GSM Filling makes pillow extremely fluffy, which are ideal choice for side and back sleepers.
• Hypoallergenic & SKIN-FRIENDLY: 90 GSM brushed microfiber washed cover provides luxury comfy plush feeling and a comfortable sleep experience throughout the night. Each pillow is finished with well stitching and reinforced seams. This pillow is OEKO-TEX Standard 100 certificated, meaning this product surpasses the highest criterion of testing for harmful chemicals and synthetics.
• NO-SHIFT CONSTRUCTION: Made with a great balance of softness and plump firmness. The no-shift construction provides the perfect amount of support and comfort for head and neck.
• EASY HOME CARE: Our Pillows are machine washable with tumble dry low. Please do not iron or dry clean.
• PERFECT SIZE: These standard pillows measure 20 x 30 inches. Both pillows are vacuum packed for shipping. Please leave 24 hours for the pillow to get to full thickness before using it.

Bedsure

• WE PUT BABY’S SAFETY FIRST: Non-toxic construction is free from harmful materials/chemicals | Mattress meets or exceeds flammability, lead, phthalate and CPSIA testing and does not contain toxic fire retardants
• DUAL SIDED FOR INFANTS AND TODDLERS: At the core 120 heavy duty innerspring coils offers ideal firmness for babies and toddlers | An additional layer of naturally blended cotton layer on toddler side provides enhanced comfort
• WATERPROOF FOR EASY CLEANING: Vinyl cover is waterproof | Full perimeter border wire creates a stable surface throughout the mattress
• GREENGUARD Gold certified: recognizes products with low chemical emissions, contributing to healthier environments | CertiPUR-US certified: made without PBDE fire retardants, lead, formaldehyde and other harmful materials
• MORE IMPORTANT INFO: Mattress comes with limited 35-year warranty | Made in USA | SIZE: 27.5"W x 52"L x <6"H (fits standard cribs and toddler beds) | Square corners to help with a secure fit inside the crib and toddler bed

Delta Children

• THE RIGHT COMBINATION - Our special recipe for rejuvenating rest? Refreshing green tea and moisture-absorbing ActivCharcoal infused into pressure-relieving memory foam that cradles your shape so you awake free of aches and pains and fresh as a daisy
• PRESSURE-RELIEVING FOAMS - 2.5 inches conforming memory foam, 2 inches soft, airflow enhancing comfort foam, and 5.5 inches durable, high density base support foam; ideal for side sleepers and petite to average-weight sleepers
• CERTIPUR US CERTIFIED - Highest quality foam is CertiPUR US Certified for durability, performance, and content
• EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed into one box that’s easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours
• Worry-free 10 year limited warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs

Zinus

• Queen size bed in a box: For deep sleep you've always dreamed of, this body contouring memory foam mattress delivers; 12" mattress comes compressed and rolled in a box for your convenience
• Sleep soundly: Designed with layers of memory foam for firm support and pressure relief, all with an ultra plush feel. The support foam core reduces motion transfer for peaceful, undisturbed sleep
• Maintenance free: Made of hypoallergenic material to keep out dust mites, pollen, mold and pet dander—perfect for kids or adults who suffer from allergies
• Queen size: Measures 59” W x 79” D x 12” H and is compatible with most full bed frames
• Ready for instant enjoyment: Arrives in a box. Simply unbox, cut the protective wrap, unroll and watch the mattress expand. The mattress is safe to sleep on immediately but can take 72+ hours for any residual odors from packaging to dissipate and for mattress to completely expand based on ambient room temperature, humidity, air pressure & ventilation

Signature Design by Ashley

• 8 inch hybrid mattress combine hypallergenic memory foam with the traditional support of an innerspring mattress for a medium-firm feel perfect for kids rooms, guest beds, or an affordable low-profile option
• A plush layer of memory foam helps align the spine to minimize pressure points for increased comfort
• Finished with a cozy knit cover, this mattress is compressed as a bed in a box for convenient delivery and setup
• Available in a medium-firm 8-inch profile, a medium 10-inch profile, or a plush 12-inch profile that also features gel infusions and individually encased coils
• Packaging process may leave small brown flecks called carbons in the mattress packaging; These carbons are harmless pieces of plastic and will not stick to your mattress; 10-year limited warranty

Linenspa

• This mattress features a 10-inch FIRM feel ideal for side, back, and stomach sleepers that crave more support and less sink
• Gel infused memory foam regulates temperature while conforming to the body to ease pressure points
• The 2.5-inch ventilated gel memory foam top layer creates a cooler sleep experience than traditional memory foam by helping to regulate body temperature and increase circulation
• 1 inch of transition foam and 6.5 inches of dense bamboo charcoal infused support foam provide extra stability and full body support
• Compressed, rolled, and shipped in a box for simple setup; easily fits through narrow hallways and staircases
• We only use CertiPUR US certified memory foam to ensure your uncompromising safety and comfort
• Dimensions: 60" x 80" x 10"

LUCID