Johns Manville Microlite® AA Premium blankets are lightweight, flexible blankets that provide superior thermal and acoustic performance similar to Microlite AA Standard but at 20% less weight. These blankest are designed for a variety of aerospace applications where space and weight are key considerations. They are particularly well suited for insulating the fuselage wall cavities of commercial and business aircraft. Microlite AA Premium blankets are available in a variety of density and thickness combinations.