The Moss Stitch is the one of the simplest patterns. It can be scaled to any size and looks the same on front and back.

Also known as the American Moss Stitch and the Double Moss Stitch (in British patterns usually), it finishes with a flat, curl-free fabric.

Moss Stitch
Moss Stitch

 

Mult 2 + 1 (ie, odd number of sts)

Row 1: *K1, p1; rep from *, end k1.
Row 2: *P1, k1; rep from *, end p1.
Row 3: *P1, k1; rep from *, end p1.
Row 4:  *K1, p1; rep from *, end k1.
Repeat Rows 1-4

To knit this pattern you can print this page, or knit it right from the screen.