All the patterns in the Quintessential DK book have a number of variations, giving you plenty of options to make the perfect project for you.

Finished measurements
Actual chest: 60 (64, 67, 76, 80, 84) cm/23.75 (25.25, 26.25, 30, 31.5, 33) in
Full length: 30 (36, 39, 44, 48, 51) cm/11.75 (14, 15.5, 17.25, 19, 20) in
Sleeve length: 20 (24, 29, 33, 37, 41) cm/8 (9.5, 11.5, 13, 14.5, 16) in

Needles & accessories
1 pair 3.25mm (US 3/UK 10) straight knitting needles
1 pair 4mm (US 6/UK 8) straight knitting needles
A 3.25mm (US 3/UK 10) circular needle for options with cable borders
A 4mm (US 6/UK 8) circular needle for options with cable borders
Stitch holders
Cable needle for versions with cable patterning
5 (5, 5, 6, 6, 7) buttons for each version

Yarn
2 (2, 3, 3, 3, 4) x 100g balls in Pennyroyal (530) for cardigan with cable border

2 (2, 2, 2, 2, 3) x 100g balls in Denim (160) for
waistcoat with cable border

2 (2, 3, 3, 3, 4) x 100g balls in Purple Haze (853)
for stocking stitch cardigan (not shown)

2 (2, 2, 2, 2, 3) x 100g balls in Cream (010) for
stocking stitch waistcoat