best medium firm king mattress

Rating details & item highlights

• Balance: The Element is engineered to combine both softness and support. The top layer of memory foam conforms to your body to relieve pressure.
• Breathable open-cell foam layers allow airflow to soothe you to sleep.
• Support: The durable base foam is engineered to prevent sinking and sagging while supporting your whole body.
• Certified by our Sleep Lab
• 120-night risk-free trial
• Dimensions (Overall): 80 Inches (L), 76 Inches (W)
• Weight: 87 Pounds
• Suggested Age: 13 Years and Up
• Fill Material: 100% Polyurethane Foam
• Fabric Name: Non-Woven Fabric
• Cover Material: Cotton, Polyester, Rayon

Rating details & item highlights

• 【Body-Supporting Comfort】This mattress features a soft memory foam layer that contours to your body, relieving pressure on shoulders and hips while supporting spinal alignment. It passed rigorous durability tests, providing a balanced medium-firm feel
• 【Cool and Refreshing Sleep】With cooling gel in the top two layers to dissipate heat, this mattress helps you fall into deep rest faster. The subtle green tea scent adds a gentle freshness, enhancing a peaceful sleep environment
• 【Breathable & Non-Slip Design】Our gel memory foam mattress has anti-slip particles on the base to minimize movement. The mattress cover is designed with many small breathable holes to allow air to pass through and prevent heat buildup. It also features zippers for easy removal and washing
• 【Wide Applications】This 8 inch all-foam mattress is compatible with most frames and foundations, such as metal bed frames, box springs, upholstered platform beds, slatted frames, bunk beds, and even floors. It’s an excellent option for bedrooms, guest rooms, apartments, dorms, RVs, and vacation rentals
• 【Quiet Nights Await】 Drift off into dreamland and move freely without worrying about the squeaks of a spring mattress. Ideal for co-sleepers, couples, or light single sleepers, this medium-firm mattress features a memory foam layer and an all-foam construction to minimize motion transfer and noise
• 【Packed in One Box for Easy Setup】This twin size memory foam mattress arrives compressed and rolled in a small box for convenient upstairs or room-to-room movement. Simply unbox, place it on your bed frame, remove the wrapping, and wait 48-72 hours for full expansion
• Dimensions (Overall): 75.0 inches (L), 39.0 inches (W)
• Weight: 25.95 pounds
• Suggested Age: Adult (18 Years and Up)
• Fill Material: 100% Foam
• Fabric Name: Non-Woven Fabric
• Cover Material: Polyester

Rating details & item highlights

• ease of assembly
  4.4 out of 5
• design
  4.1 out of 5
• value
  3.9 out of 5
• quality
  3.6 out of 5

• MOISTURE-WICKING CHARCOAL GEL: Bamboo charcoal and gel-infused memory foam helps eliminate odors, regulate temperature, and absorb moisture to inhibit airborne irritants
• ANTI ODOR GREEN TEA LAYER: All natural green tea infused memory foam deodorizes and promotes freshness without any harmful chemicals
• MEDIUM-FIRM COMFORT: The perfect balance of firm and soft to promote improved circulation and relieve pressure from your muscles
• NON-SLIP MATTRESS COVER: Removable cover provides a soft and comfortable sleep surface. Cotton and polyester fibers add extra support to your mattress while preserving its shape and freshness.
• READY TO USE: This mattress arrives rolled and compressed for easy setup and a comfortable rest right out of the box. Foam meets CertiPUR-US standards for content, emissions, and durability, and are analyzed by independent, accredited testing laboratories.
• Dimensions (Overall): 80 inches (L), 76 inches (W)
• Weight: 78.5 pounds
• Suggested Age: Adult (18 Years and Up)
• Fill Material: 100% Memory Foam
• Fabric Name: Woven
• Features: Cooling Technology

Rating details & item highlights

• The perfect combination of support and cooling.
• Zoned SupportTM uses 3 areas of support to align your spine for all-night comfort
• Breathable open-cell foam layers allow airflow to soothe you to sleep
• All foam construction for contouring comfort
• Eco-friendly cover made with recycled materials
• 120-night risk-free trial
• Dimensions (Overall): 80 Inches (L), 76 Inches (W)
• Weight: 101 Pounds
• Suggested Age: 13 Years and Up
• Fill Material: 100% Polyurethane Foam
• Fabric Name: Non-Woven Fabric
• Cover Material: Cotton, Polyester, Rayon

Rating details & item highlights

• Gel-infused memory foam layer regulates the temperature
• The convoluted layer increases airflow
• High-density base layer - offers stability
• Eco-friendly material
• Mattress in a box
• Dimensions (Overall): 80 inches (L), 76 inches (W)
• Weight: 94 pounds
• Suggested Age: 3 Years and Up
• Fill Material: 15% Gel Foam
• Fabric Name: Knit
• Features: Cooling Technology, Pressure Relief