Continuing our Sale of the Day Series is a great lightweight down vest from the SOPHNET FSF line. For those unfamiliar, FSF is a collaborative project between FYi Design, SOPH, and Fragment Design. The project melds innovation in technical outerwear, superior design, and street fashion altogether. The vest combines camouflage on the yolk and chest pockets, with a ripstop nylon fabrication to ensure that you can use and abuse it. Stuffed inside is 95% down and 5% feathers and was constructed completely in Japan. It is now on sale for $640 from $940 through HAVEN.