The Game Changer is a separate interior liner for the Cocoon that substantially increases the comfort level of the Cocoon by adding several degrees of warmth while improving the Cocoon's ability to keep you thermal neutral.
 
The Game Changer can also be used as a standalone blanket in a pinch.
 
Product Details:
Height: 76 inches
Width: 60 inches (unfolded)
Color: Black
Foam Thickness: 0.5 inches, or 0.75 inches.