| 摘要 |
An insulated sole having down feather insulation held captive therein and method of fabrication is described. The sole is formed with open top end cavities in which there is disposed down feathers r mixtures thereof to capture and retain heat. A membrane seals the open top end of the cavities. The insulated sole is used in the fabrication of articles of footwear for use in cold weather climate to resist to the cold emanating from the ground to shield against heat loss from the wearer's feet. |
