Big Agnes - Insulated Double Z TWO PIECE VALVE: for one way inflation and quick deflation REPAIR KIT INCLUDED: great to have on camping trips in case of emergencies TESTED AND APPROVED: each pad is tested individually and approved for sale COMFORTABLE: weight is distributed evenly, due to the stabilizer construction, to create a smooth and comfortable feel INSULATED: PrimaLoft Silver Hi-Loft synthetic insulation for optimal warmth