Finery London Women's Pure Cotton Knitted Short Sleeve Cardigan - 8 - Cream - Available at M&S

This Finery London cardigan is knitted from pure cotton yarn for a gorgeously soft feel. It's made in a comfy regular fit, with short sleeves and a ribbed hem. Wavy trims add playful detail to the collar, cuffs and button placket. The crochet-style open-knit design offers an airy finish.