This is a pattern for a Block Texture Cardigan, originally published in Knitting magazine 115 as Retro Cardigan.

It is a simple knit/purl texture, with the sleeves shaped by casting on and an upper sleeve seam. Cuff to cuff: 55 - 70 ins. Length: 21-23 1/4 ins. You will need: 10(11:12:13) 50g balls of yarn. Also a 4 mm circular needle and 4 buttons.