• Back1× on fold, 32 by 54 cm
• Front2×, 32 by 59 cm
• Sleeve2×, 51 by 59 cm
• Collar rib1×, 41 by 14 cm
• Hem band rib1×, 104 by 14 cm
• Cuff rib2×, 24 by 14 cm
• Pocket welt4×, 19 by 7 cm
• Pocket bag4× lining, 19 by 22 cm
• Sleeve pocket1×, 10 by 16 cm

• Chest100.0 cm
• Seat102.0 cm
• Neck39.4 cm
• Nape to waist45.0 cm
• Scye depth22.0 cm
• Across back38.4 cm
• Across chest37.0 cm
• Shoulder length15.0 cm
• Arm length64.0 cm
• Bicep33.0 cm
• Wrist17.5 cm

• Chest ease20.0
• Length below waist (without the band)4.0
• Shoulder extension2.5
• Armhole drop4.0
• Neck widening1.0
• Front neck drop1.0
• Seat ease4.0
• Cap height / armhole0.20
• Cap ease1.0
• Sleeve width at the cuff30.0
• Rib height6.0

• Finished chest120.0
• Length from nape49.0
• Armhole total53.2
• Neckline total46.4
• Shoulder back − front0.5
• Side seams back − front0.0
• Finished hem120.0
• Sleeve cap54.2
• Cap ease1.0
• Sleeve width48.7

1. Cut and markCut the outer fabric and the lining from the same pieces; cut the rib with the stretch along its length. Mark the pockets and the notches.
2. Welt pocketsFold the welts, sew them on the slanted marks, cut between and into the corners, turn the welts through, set the bags and close them round.
3. Shoulders and sleevesSew the shoulders. Sew the zip pocket on the left sleeve, then set the sleeves in flat.
4. Side seamsSew the side and underarm seams in one. Make the lining the same way.
5. RibFold the rib pieces in half lengthwise. Stretch them to fit and sew the cuffs to the sleeve ends, the band to the hem and the collar to the neckline, in quarters.
6. Zip and liningSew the separating zip to the front edges, from the hem band to the collar. Sew the lining to the zip tape and the rib, turn through and close the opening.

• 110 cm wide2.5 m
• 140 cm wide1.9 m
• 150 cm wide2.3 m

Estimated from the pieces laid out with seam allowance, grain along the selvedge. Add more for matching checks or stripes. The editor shows the layout.