BACKCast on 70 (77, 84, 91, 98, 105) stitches. Work in Garter Stitch until piece measures 18½ (19, 17½, 17, 16, 15½) inches or desired length to armhole, ending with a wrong side row.
At beginning of next two rows, cast on 52 (49, 49, 46, 46, 42) stitches for Sleeves – 174 (175, 182, 183, 190, 189) stitches. Work even until piece measures 26 inches from beginning or desired length to shoulders.
Divide for back of neck Knit 78 (77, 80, 79, 82, 81) stitches, join second skein of yarn and bind off center 18 (21, 22, 25, 26, 27) stitches, knit to end. Working left and rights sides separately, knit 7 rows even, place marker for center shoulder, knit 7 rows even.
FRONTSIncrease one stitch at neck edge every other row 21 times – 99 (98, 101, 100, 103, 102) stitches. Work even until Front Sleeve measures same as Back Sleeve from marker. Bind off 52 (49, 49, 46, 46, 42) Sleeve stitches – 47 (49, 52, 54, 57, 60) stitches. Work even until Front measures same as Back. Bind off. Work second Front.
Ch 21 stitches.
Row 1 Sc in 2nd ch from hook and in each chain across – 20 sc.
Row 2 Ch 1, turn. Sc in each sc across.
Repeat Row 2 until Collar is length required to fit into neck opening. Fasten off. Sew Collar into neck opening.
Left Front BandWith right side facing, work 1 row sc evenly between top of Collar and bottom of Front.
Row 2 Sc in each stitch to neck edge, (ch 2, skip 2); sc to end of row.
Row 3 Sc in all stitches, including each ch of ch2. Fasten off.
Buttonhole band (Right Front)With right side facing, work 1 row sc between top of Collar and bottom of Front.
Row 2 (buttonholes) Mark four buttonhole positions as follows: one at neck edge, one 10 inches from bottom of garment, and two evenly spaced between the top and bottom buttons. Sc to first buttonhole marker, *ch 2, skip 2, sc to next marker; repeat from * 3 times more, sc to end of row.
Row 3 Sc across all stitches, including each ch of ch2s. Fasten off.
Cuffs – Make 2Work as for Collar until piece measures 11 (11½, 12, 12½, 13, 14) inches. Fasten off.
Sew Cuff onto bottom of Sleeve, easing Sleeve fabric into Cuff.
EdgingWith right side facing, work reverse sc (working from left to right) along edges of Collar, Bands and Cuffs.
Sew side and underarm seams. Fold back Cuff and tack in place.
ButtonsTry on Jacket and mark positions for buttons on Left Front opposite buttonholes. Sew buttons in place.
Interior fasteningsMark position for button on Right Front opposite buttonhole on Left Front Band. Sew in place.
TiesMake 12 inches long chain. Fasten securely 10 inches down from neck edge on Right Front. Mark position on Left Front opposite tie. Make 12 inches long chain at marked position.