Vena Cava's Sophie Buhai and Lisa Mayock announced Wednesday at Fashion Group International's panel on entrepreneurship that they will be collaborating with Uniqlo. It's a juicy little tidbit of news that we nearly missed because the designers mentioned it so offhandedly (luckily Fashion etc., didn't and reminded us). Collaborating with brands is nothing new for Vena Cava. They've partnered in the past with Gap, Aqua for Bloomingdale's and Converse. The Gap collab was a struggle, Sophie said, because "Vena Cava is not a khaki brand", and she and Lisa are "pretty far from preppy." The design duo went on to weigh out the pros and cons of doing collaborations--one the one hand, lower-priced collaborations with big brands are a great way to reach the mass market and a new audience, and bottom line, make money, but they would never want work on a collaboration that wasn't true to their brand.