Designing a lookbook is not rocket science, and this tried-and-true formula works like a charm every time: girls in streetwear. Primitive is giving us a glimpse of their Holiday 2013 collection by employing the skills of photographer Luis Ruano, and four beautiful models. The Christmas-colored gear is relevant for this month, consisting of beanies, hoodies, socks, and long-sleeve shirts. As a cherry on the cake, they also enlisted Darren Miller to shoot a short video lookbook, which gives an in-depth look at the garments and girls. Scroll down the page to preview the lookbook in full.