HME's Folding Seat Cushion has an 1.6" foam cushion and is weather resistant. It fits most seats and is easy to carry.
Specifications:

Type	Seat Cushion
Model or Style
Color	Camo
Size
Material	Foam
Heating Area
Mount
Battery
Dimensions
Model Fit
Run Time
Volt
Function	Comfort Seating
Gun Type
BTU