1) Canadian cap 2) Canadian wool cap 3) Knit wool cap 4) Stocking cap 
• (n.) A kind of warm cap winter wear, made from a knit bag with closed tapered ends by pushing one end within the other, thus making a conical cap of double thickness.
A Canadian cap made by tucking in one tapered end of a long cylindrical bag, closed at both ends.
a heavy stocking cap worn in Canada.