This pattern has instructions for different versions of a baby’s or toddlers slip on (buttoning at shoulder) or button-down waistcoats/ vests.
You will need stitch holders for the slipovers. You will need 3 buttons for the round neck slipover. You will need 4(4, 5, 5, 5) buttons for the round neck waistcoat, and 3(3, 4, 4, 4) buttons for the v-neck version.

Finished measurements:
Chest circumference: 16(18, 20, 22, 24)“ 41(46, 51, 56, 61) cm
Finished length: 7(8, 9.5, 11, 12.5)” 18(20, 24, 28, 32) cm

Yarn used:
King Cole Melody DK
Round Neck Slipover -
Shade 960 Billberry - 1 ball for all sizes
V-neck Slipover
Shade 969 Symphony - 1 ball for all sizes
Round Neck Waistcoat
Shade 958 Rhapsody - 1 ball for all sizes
V-Neck Waistcoat
Shade 989 Sonata - 1 ball for all sizes