C/o 44, k1,p1 rib for 3 rounds. Knit 10 rounds with light brown.
K1 round with dark brown.
P 1 round with dark brown
K 1 round with dark brown.
K 1 round with light brown, decreasing 2 st evenly.
K 9 rounds light brown.
K1 round with dark brown.
P 1 round with dark brown
K 1 round with dark brown.
K10 with light brown.
K1 round with dark brown.
P 1 round with dark brown
K1 round with dark brown; cut yarn.
K15 rounds with light brown.
K 1 round, increasing 4 st evenly.
Knit 1 round.
K 1 round, increasing 4 st evenly.
Knit 1 round
K 1 round, increasing 2 st evenly (52 st).

Begin increases for thumb gusset on next round.

1: K1, pm, m1, k last st of the round, pm, m1, k1.
2: Knit
3: K to marker, m1, sm, k to marker, sm, m1, k to end of round
Repeat 2 & 3 until gusset = 22 st. Place thumb st on scrap yarn and continue working straight for 19 rounds.

Rejoin contrast yarn & k 4 rounds garter st, decreasing 6 st as you work the 1st round (this has to be done because the contrast yarn is heavier than the main yarn and if every stitch is picked up, the mitt will bell out irritatingly at the end).

Thumb:
Pick up stitches from scrap yarn, plus 2 add’l (to close gap). Work 5 rounds in stockinette, decreasing 2 stitches on each of the 1st and 2nd rounds.
Round 6: purl
Round 5: knit
Repeat rounds 5 & 6 once more, then bind off. Soak, block and weave in ends when dry.