Knit a cosy jumper with this exclusive pattern from Erika Knight for John Lewis. Using Erika Knight for John Lewis Aran yarn, you can create a sporty sweater worked in vertical and horizontal rib stitches in asymmetrical neck detail and side vents. Please note, this pattern is suitable for sizes S-M, M-L, L-XL and requires 4.5-5mm knitting needles and 7 x 100g balls of yarn.