From the blogging elite (here's looking at you, Lucy Williams) to London It girls like Natasha Ndlovu and industry insiders like stylist Hannah Lewis, everyone is giving this dad jumper airtime right now. And you know what? While we were initially reserved, we've come to find it not only practical but also incredibly stylish. We particularly like it when those in the know unzip their turtleneck styles to the collarbone and layer any excess, unzipped fabric over the top of their outerwear.