Women's jumper from Day Birger et Mikkelsen collection. Day Birger et Mikkelsen Black & Grey ' Day Trophy' Snake Jumper is a great way of adding animal print to your wardrobe. This long sleeve jumper with a round neck features a black & grey snake print. Style this knit on its own with a pair of Hudson jeans & a Barbour jacket. Or wear it over an American Vintage vest top for a chic layered outfit.