best 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): 75 Inches (L), 38 Inches (W)
• Weight: 41 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

• comfort
  4.4 out of 5
• quality
  4.4 out of 5
• value
  4.3 out of 5
• washes well
  4.3 out of 5

• Cotton mattress pad with 4-way stretch fitted skirt
• Box quilted construction keeps the loft filling from shifting
• Firm-density pad with water-repellent qualities
• Forms an allergen barrier for enhanced comfort
• Fits mattresses up to 20in deep
• STANDARD 100 by OEKO-TEX® certified
• Dimensions (Overall): 75 Inches (L), 54 Inches (W), 1.5 Inches thick
• Fill Material: 100% Polyester
• Fabric Name: Woven
• Textile Material: 100% Cotton
• Features: High Loft Padding, Box Quilting, 4-Way Stretch Fitted Skirt, Piping Trim
• Protective Qualities: Stain Release

Rating details & item highlights

• ease of assembly
  4.3 out of 5
• design
  3.4 out of 5
• quality
  3.3 out of 5
• value
  3.3 out of 5

• Comfort level: ultra plush
• .75" high density gel memory foam lumbar support
• 1.5" high density super soft quilt foam
• 1" upholstery grade comfort support foam
• Foundation/box spring available, sold separately
• Suggested Age: Adult (18 Years and Up)
• Fill Material: 100% High-Density Foam
• Features: Compatible with Adjustable Base, Additional Support Layer
• Fabric Name: Stretch Knit
• Cover Material: Polyester, Viscose
• Foam Type: High-Density Foam

Rating details & item highlights

• washes well
  4.2 out of 5
• comfort
  4.2 out of 5
• value
  4 out of 5
• quality
  3.8 out of 5

• Waterproof mattress pad with 4-way stretch fitted skirt
• Quilted construction with soft filling
• Waterproof construction
• Fits 15in deep mattresses
• Machine washable
• STANDARD 100 by OEKO-TEX® certified
• Dimensions (Overall): 75 Inches (L), 54 Inches (W), .25 Inches thick
• Fill Material: 100% Polyester
• Fabric Name: Plain Weave, Microfiber
• Textile Material: 100% Microfiber
• Features: Quilted
• Protective Qualities: Stain Release, Waterproof

Rating details & item highlights

• design
  4.6 out of 5
• ease of assembly
  4.6 out of 5
• quality
  4.6 out of 5
• sturdiness
  4.6 out of 5

• Upgraded Pocket Spring System: Engineered for superior motion isolation, this system reduces movement transfer and delivers steady, focused support
• Ergonomic Support That Adapts to You: Contours to your natural curves to ease pressure points and improve sleep posture
• Soft & Comfortable Fabric: Smooth, skin-friendly fabric creates a cozy, relaxing sleep surface you’ll love
• SGS-Certified Fire Protection: Built with fire-resistant materials tested to meet international safety standards
• Certified Safe & Healthy: Made with CertiPUR-US® and OEKO-TEX® certified materials—free from harmful chemicals
• Suggested Age: Adult (18 Years and Up)
• Fill Material: 78% Pocket Springs, 17% Foam, 7% Polyester Fiber
• Fabric Name: Knit
• Cover Material: Cotton
• Features: Breathable, Hypoallergenic
• Foam Type: High-Density Foam