Patent ID: 7043761

Claim:
An insulative headgear assembly comprising: a headgear member having a dome-shaped, substantially hemispherical portion configured and arranged to be worn on the head of a wearer, said headgear member having an interior and an exterior, an upper, distal portion and a lower, proximal edge portion, said interior being oriented to face the head of a wearer, said exterior being oriented for contact with the atmosphere surrounding a wearer, said head gear member having fastening means located on said interior for removably attaching to said headgear a removable insulative lining; and a removable insulative lining for selective placement within the interior of said headgear member, said lining having a dome-shaped hemispherical portion configured and arranged to be worn on the head of a wearer, said lining having an interior, an exterior, an upper, distal portion, and a lower, proximal edge portion, said lining comprising a composite structure having a first outer shell which directly contacts said headgear member when positioned therein, said first, outer shell comprising a multi-membrane fabric, and a second, inner shell adapted for direct contact with the head of a wearer, said second, inner shell comprising an ultrathin, microfibrous, synthetic, thermally reflectant fabric material layer.