You will need:
816 (952, 1088) yards of red sport weight yarn
136 yards of blue sport weight yarn
136 yards of white sport weight yarn
3 mm needles
3.25 mm needles
3 mm dpns
3.25 mm dpns
cable needle
scissors
needle

A different size range is available in Nautical Knits for Kids, as shown here as Guernsey Tunic Dress.