10 Year Warranty

Spring Air is an American mattress manufacturer that has been producing high quality sleep products for over 50 years. They're known in the industry for having luxury models at less-than-luxury prices. The Isabel Firm is a brand new model. 

The Isabel has a 700-Count (Queen) individually-wrapped pocket coil back supporter spring unit that is foam encased with a noticeably dense wall of foam.

The feel level of this mattress falls into the luxury firm category; it's going to provide lots of support - even to the largest individuals - but it will have enough 'give' for those who sleep on their sides and need a bed to conform to their natural curvature. 

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Isabel Firm - A BackSupporter Mattress

SALE reg.
Twin $672 $925
Twin XL $792 $1,075
Full $800 $1,100
Queen $870 $1,200
King $1,140 $1,550
Cal King $1,300 $1,725
Other sizes

free shipping

Mattress Scale
medium firm mattress
Approx. Height of Set: 20" (Matt 11.0" Base 9")

This Mattress Features:
pocket coil mattress Individual Pocket Coil Springs offer much better motion isolation than traditional springs and will also better flex to your body shape.

CertiPUR-US certified foams are:


✓ Made without ozone depleters
✓ Made without PBDEs, TDCPP or TCEP (”Tris”) flame retardants
✓ Made without mercury, lead, and other heavy metals
✓ Made without formaldehyde
✓ Low VOC (Volatile Organic Compound) emissions for indoor air quality (less than 0.5 parts per million)
✓ Made without phthalates regulated by the Consumer Product Safety Commission


Phase Change Technology - continually adjusts to temperature to Breathable Tight Top Cover 

Mattress(Top Side)
Back Supporter Comfort Bridge Design - acts as a stabilizer layer inside the mattress to enhance support and reduce motion transfer across the sleeping surface.

BackSupporter Spring Unit - this dual-gauge zoned design features firmer coils in the center for added support in the lumbar area.


10 Total Years (10 full)

Isabel Firm - A BackSupporter Mattress

Pete fell asleep while testing this mattress... His review is pending.


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  • Shipping or delivery of this item to most areas within the 48 contiguous states only. We cannot offer delivery of this item to Alaska, Hawaii, US Territories or APO/FPO addresses without added charges. Please call customer service for rates and availability.
  • Nationwide and "free" rates are valid to most cities in the continental US. Destination must be accessible by large truck. Some locations may have a small surcharge.
  • For complete details, read our Shipping and Return policies.
  • Please call customer service for returns.

For local delivery rates and polices, check the Delivery Page



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