With the weather as changeable as it currently is, it's a good idea to stash something in your bag to cover up with when the clouds come in. Cardigans, according to my colleague, are the answer. But exactly what do you go for? The shops are full of everything from kimono knits to fitted fifties shapes, so I've picked ten of the best to help you choose. Click the first - a geek chic men's cardi - to get the gallery going!