US Patent 11925230 Chinstrap sock with metal-containing yarn

A chinstrap sock to be worn by athletes comprising a tubular body having a skin facing surface for contacting a portion of a wearer's body, and an outer surface opposed to the skin facing surface; an opening in the tubular body for extension therethrough; and a first welt and a second welt affixed to opposite ends of the tubular body in surrounding relation to the opening, the first welt and the second welt each comprising a circularly-knitted fabric integral with the tubular body and extending therefrom to; the tubular body portion being a knitted construction comprising: a skin-facing surface comprising a metal-, metal oxide-, and/or metal salt-containing yarn portion.