Features
Inside your Perfect Sleeper X™ Hybrid - Level 1
• 1. Full-body alignment: 5 support zones of responsive coils combined with memory foam for support where you need it
• 2. All-night comfort: Cooling technology and graphite-infused memory foam offers all-night cooling
• 3. Pressure Relief: Targeted pressure relief from premium memory foam for restorative sleep
• 2. All-night comfort: Cooling technology and graphite-infused memory foam offers all-night cooling
• 3. Pressure Relief: Targeted pressure relief from premium memory foam for restorative sleep
Specifications
General
Mattress Name
Perfect Sleeper X Knox
Size
Twin XL
Type
Hybrid
Series Name
Serta Perfect Sleeper Hybrid
Comfort
Firm
Style
Tight Top
Additional Information
• Responsive coils and premium memory foam cradle pressure points
• Cooling technology and graphite-infused memory foam designed to redistribute body heat
• Designed to minimize the impact of your partner's movement
• Back and stomach sleepers
• Cooling technology and graphite-infused memory foam designed to redistribute body heat
• Designed to minimize the impact of your partner's movement
• Back and stomach sleepers
Layers
Covering
Cooling technology and graphite-infused memory foam offers all-night cooling
Comfort Layers
Targeted pressure relief from premium memory foam for restorative sleep
Support Layers
Designed with 5 zones of supportive coils and 1" Perfect Conform™ Memory Foam
Dimensions
Foundation Height
13.5 inches
Shipping Dimensions
Width
39 inch(es) / 99.06 cm
Height
13.5 inch(es) / 34.29 cm
Depth
79.5 inch(es) / 201.93 cm
Warranty
Warranty
Limited 10 Years