You will need a tapestry needle for finishing.

The size US 4 (3.5 mm) needle should be 40” (100 cm) long to hold all the stitches for the neck finishing.

Finished measurements:
Chest circumference: 35( 37.8, 41.8, 43.6)“ 89( 96, 106, 116) cm
Finished length: 24.4(24.4, 24.8, 25.4)” 62( 62, 63, 64) cm
Sleeve seam: 18.1” (46 cm) for all sizes

Yarn used:
Feeling Good Yarn by Wool and the Gang - 8(8, 9, 9) balls