Light and compact three season pad, with 2.5" of comfort PrimaLoft™ eco: synthetic insulation made from 50% recycled materials used in all 20" wide pads M3 synthetic insulation used in the 25" wide pad I-beam construction eliminates welded seams to reduce cold spots and ensures quick inflation/deflation, consistent air flow and stability 20" pads: Durable, lightweight 50D nylon diamond rip-stop top and bottom 25" pad: Durable, 70D nylon top and bottom Internal polyurethane coating Add a closed