Leggings are only sized from Premie to 3-6 months.

You will need 8 buttons for the double breasted coat. Sirdar used their button B5611-0902.
You will also need a set of Double Pointed needles size US 3 (3.25 mm)

Finished measurements:
Coat -
Chest circumference: 13( 15.75, 18, 19.75, 21.25, 22)“ 33( 40, 46, 50, 54, 56) cm
Finished length: 8.25( 9.5, 10.75, 11.5, 12.5, 13.5)” 21( 24, 27, 29, 32, 34) cm
Sleeve length: 3.5( 4.75, 6.25, 6.5, 7, 8)“ 9( 12, 16, 17, 18, 20) cm

Leggings -
Waist circumference: 18.5( 20.5, 22.5, 23.75)“ 42, 52, 57, 60_) cm
Leg length: 5.25( 6, 6.5, 7.5)” 13( 15, 17, 19) cm

Yarn used:
Sirdar Snuggly 4 Ply
Shade 487 Cloud
Coat - 1(2, 2, 3, 3, 4) balls
Leggings -2 balls for all sizes