Theory OS Puffer jacket in Aero Nylon offers a sophisticated take on the classic cold-weather staple. Crafted from premium recycled nylon with a sleek black finish, this oversized puffer features a high stand collar, a concealed zip front with a snap-button placket, and two large front flap pockets for utility. Ribbed knit cuffs and hem provide a secure fit and help lock in warmth, while the down and feather insulation ensures lightweight heat retention. The minimalist design is finished with a quilted storm flap and high-quality silver-tone hardware.