Cold and Rain Resistant Puffer: Medium weight men's Puffer jacket. Great for extra warmth in colder fall and winter weather. Durable Down Feather Style: Insulation manufactured from recycled polyester to mimic the warmth and softness of real down feathers. Durable polyester exterior designed to withstand everyday wear. Wind and Water-Resistant: Polyester material resists wind and water penetration, for added versatility in unpredictable weather and light rain. Lightweight and Warm: All of the warmth, but less weight than a heavy coat. Comfortable enough to wear all day. Warm enough for cold winter weather.