Patent ID: 9730479
Date: 2017-08-15
CPC Classifications: A41D

Claim:
1. An article of apparel comprising: an insulation layer comprising a flexible, open cell, polyurethane foam, the foam generated by polymerization in a pressurizable chamber at a pressure sufficient to prevent the foam from completely filling the chamber; a shell layer comprising wind resistant, breathable material, the shell layer comprising an outer layer of the article of apparel; and an inner lining layer, wherein the insulation layer is disposed between the inner lining layer and the shell layer; wherein a thickness of the insulation layer when uncompressed is within a range of approximately ¼ inch to approximately 1 inch; wherein a moisture vapor transmission rate (“MVTR”) of the insulation layer is in a range from approximately 900 g/m wherein the article of apparel is one of a jacket, pants, handwear, a hat, a sock, and footwear; and wherein: