Comfortable, easy, warm—we're sure to see a lot of oversized sweaters this season. To be on trend, ditch the pants and go for fishnets, bare legs or knee-high boots. For your hair, César DeLeön Ramirêz says, "This look is effortless, I love the vibe of a messy low knot and sexy fly aways. 'Cool' shouldn't look like it was intended."