The MA.STRUM vest is crafted from ultra-fine denier nylon and pre-washed for an iridescent look. This fabric features a water-resistant coating, is breathable, and dries quickly. The garment is injection-padded with high-quality feathers. It features dual-directional zippers at the front, elastic tape at the armholes and bottom band, and flat hand pockets with slanted button closure. 160 GSM, 10% feathers, 90% down filling.