Patent ID: 6790797
Filing Date: 2004-09-14
Classification: A41B,A43B,B32B,Y10T

Abstract:
An insulating and lining system for footwear comprising: an insulating batting comprising a non-woven densified material of cruciform cross-section polyester fibers of a denier of about 0.7 denier per filament to about 6.0 denier per filament and having a density of about 40 to about 90 kilograms per square meter, combined, by chemical, mechanical, or thermal means, with an abrasion resistant fabric lining having a foot or sock contacting surface and an insulating batting contacting surface and wherein said lining exhibits moisture transport properties and wherein the lining comprises knits, wovens, or non-woven fabrics made from about 75% to 99% polyester cruciform cross-section fibers.