For this Wendy Viva pattern you will need: (Hooded Version) 

To fit 38" - 7 Balls Wendy Viva
To fit 40" - 7 Balls Wendy Viva
To fit 42" - 7 Balls Wendy Viva
To fit 44" - 8 Balls Wendy Viva
To fit 46" - 8 Balls Wendy Viva
To fit 48" - 8 Balls Wendy Viva

9mm & 10mm knitting needles
24(24,24,24,26,26) open ended zip