Nike Sportswear Therma-FIT Windrunner Men's Down Fill Vest in Ironstone grey. This insulated puffer vest features a durable ripstop shell with a classic chevron design line on the chest, nodding to the original Windrunner. Engineered with Therma-FIT technology to manage your body's natural heat, it provides lightweight warmth without the bulk. Finished with a full-zip front, high stand-up collar, and secure zippered hand pockets for convenient storage.