If you buy something, we may earn an affiliate commission. Anytime I think about the best white dress shirts for men, I start daydreaming about Don Draper pulling a crisp 5-pack out of his desk ...

Case in point? The striped shirt Frankie Bridge wore in her workwear style edit this weekend. Made from 100% cotton in a cool relaxed cut, it's hard to believe but it's just £19.99 from H&M.