Small mitten: 39 sts and 40 rows = 4” in colorwork patt on smaller needles. Medium mitten: 34 sts and 36 rows = 4” in colorwork patt on smaller needles. Large mitten: 30 sts and 34 rows = 4” in colorwork patt on smaller needles. Inner mitten: 26 sts and 34 rows = 4” in St st on larger needles.