Polyamide black original yarn, false twist yarn, covering elastic yarn and leg knit

摘要

A polyamide original yarn having an average particle diameter of 1 to 20 μm, furnace-process carbon black contained in a polyamide in an amount of 1 to 5% by mass, and a single fiber fineness of 0.8 to 2 dtex. A false twisted yarn obtained by false twisting the polyamide black original yarn. A covering elastic yarn using the polyamide black original yarn or the false twisted yarn as a wound yarn. A leg knit using at least one of the polyamide black original yarn, the false twisted yarn, and the covering elastic yarn as at least a part of the leg portion. Providing stockings or tights with a soft texture and capable of deep black color development.