Identical NASA Technology Yes Yes No
HD Memory Foam standard in all mattresses Yes No No
HD Memory Foam Density 5.3 Yes Yes No, not consistent
Visco Elastic Foam Yes Yes Yes
Contours to body Yes Yes Yes
JOMA Wool in mattress cover Yes No No
Organic Mattress Cover Yes No No
Anti Dust Mite & Hypo-allergenic Yes Yes Yes
10 Year Full Warranty/25 Year Limited Warranty Yes

10 yr. full warranty
20 yr. limited

1-5 yr. limited warranty
18 Months no interest, no payments financing Yes Yes No
Charges Sales Tax We pay it Yes Varies by state
"Last bed you will ever need", lifetime upgrade Yes No No
90 Day Money Back Gaurantee Yes 30 night trial No
Charges return shipping No Yes Yes
Uses center & side borders that create hills and dips No Yes Yes
Body Impressions No Yes yes
Proven to Sleep Cooler Yes No No
Free Comfort Exchange Yes No No