SA Hybrid Knox II Extra Firm Twin XL

FOR YOUR COMFORT

Luxurious COOLING COVER that wicks moisture and 
heat away for a healthy temperature-neutral sleep 
surface. 

1 Layer High Density Soft Quilting Foam

I Full Layer COOL GEL Memory Foam for pressure 
relief with a cooling effect.

2 Full Layers High Density Support Foam

FOR YOUR SUPPORT

Back Supporter TM : 25% Thicker Coils in the Center 1/3 of the Mattress,
Designed to Provide Pressure Relief in the Shoulder and Hip Area.

Foam Encasement: 3” High Density Support Foam for a Larger Sleep 
Surface and Lasting Edge-to-Edge Support

Zoned Individually-Pocketed Power-Packed Coils for Optimized No-Motion, Pressure Relieving,
Spinal Support  POWER BASE ADJUSTABLE

ALL THE EXTRA

Unit Coil Count:
Twin       512
Full        796
Queen   884
King     1088

Cooling Layers:
2
Height:
14.5”
Firmness Level:
Firm-- ------------Soft

Warranty:
Limited 15-year, non-prorated

SA Hybrid Knox II Extra Firm Twin XL
80.0"W x 38.0"D x 14.5"H - 1.0 lb