The Spring Air “Whistler” Pocket coil Euro Top Mattress with a soft feel. The 3-Zone 820 count Pocket Coil core provides pressure relief and eliminates motion transfer for an undisturbed rest. Firmer coils provide extra support in the lumbar area where you need it most. In the comfort laters its has 1” Soft ECOTEX™ Foam providing comfort and support and ¾” Soft ECOTEX™ Gel Infused foam offers a cooler sleep with luxurious comfort and durability. The quilting is made of a Breathable Fiber Blend that provides soft cushioning and breathability for a better nights rest. The Whistler is 10.5" high and has a ten year warranty on manufacturers defects.