Serta iComfort Memory Foam features zoned support from memory foam layers for contouring pressure-relief and breathability. With alternating levels of firmness, ergonomically design support zones in every Serta® mattress are designed to keep your body aligned as you sleep.

Firm - Ideal for stomach and back sleepers with extra support for heavier sleepers
CoolFeel™ Fabric keeps you comfortable throughout the night
Our PerfectConform™ Memory Foam contours and cradles your pressure points for rejuvenating sleep
Our 5 ZoneResponse™ Design provides head-to-toe comfort and support for restorative sleep
Your new mattress may initially feel firmer than expected. Please allow up to 60 days to acclimate to your new mattress as it naturally adjusts to contour, comfort, and support you best
CertiPUR-US(r) Certified
Designed and Built in USA
Adjustable Friendly
10 Year Warranty 

Our Serta® 9" flat mattress foundation is a box spring alternative and is designed for long-lasting support and reduced motion for an indulgent night’s sleep.

Mattress Top Type: Tight Top
Mattress Type: Memory Foam
Included: 1 Box Spring(s), 1 Mattress(es)
Features: Zone Quilting, Cooling Layer, Temperature Regulating, Foam Layer, Cushioning Layer, Full Support
Additional Information: Conforms To Body, Suitable for Adjustable Bed Frames, Relieves Pressure Points, Eliminates Motion Transfer
Manufacturer Warranty: 10 Year Limited
Bed Size: Twin Xl
Measurements: 11.5 Height/Inches, 79.5 Length/Inches, 38 Width/Inches
Maximum Weight Limit: 850 Lbs
Base Material: 100% Foam
Comfort Type: Firm
Mattress + Box Spring Measurements: 80 Length/Inches, 20.5 Height/Inches, 38 Width/Inches
Care: Spot Clean
Certifications And Listings: Certipur-Us Certified
Mattress Height: 11.5"
Country of Origin: Made in US

Set includes mattress plus box spring/foundation. King and Cal. King mattress sets feature 2-piece side-by-side foundations for easier navigation in tight spaces.