UK Materials: Double Knitting yarn, 4.5 mm, 3.5mm hooks
0-3 months - hat 52g main, booties 23g main
3-6 months- hat 60g main, booties25g main
6-12 months- hat 70g main, booties27g main
30g of contrast for each set

USA Materials: Light worsted yarn (3) G, E hooks
0-3 months - hat 2oz main, booties 1oz main
3-6 months- hat 2 ½ oz main, booties1oz main
6-12 months- hat 3oz main, booties 1 ½ oz main
½ oz contrast for each size hat and bootee