Materials:

Two 50-gram skeins of light brown medium-weight yarn
One 50-gram skein of dark brown medium-weight yarn
One 50-gram skein of white medium-weight yarn
Size 9 (5.5 mm) knitting needles (or size needed to obtain correct gauge)
2 stitch holders
Coordinating separating zipper that matches length of front sweater edge (about 12 in.)
Tapestry or yarn needle