A kind of sweater is a KNIT, which is a type of fabric made by interlocking loops of yarn. A JERSEY is a type of KNIT fabric with a smooth surface on one side and a more textured surface on the other. A pullon is a sweater that is put on without buttons or zippers. A slipon is a sweater that is put on without buttons or zippers and is usually worn over another garment. A fairisle is a type of sweater that has a pattern of two or more colors in a repeating design. A slipover is a type of sweater that is pulled over the head and has no buttons or zippers. A turtleneck is a type of sweater that has a close-fitting, round collar that folds over and covers the neck.