NikeLab Running is built for the bold and crafted with precision. This lightweight vest blends premium materials with strategic warmth. Down-filled panels have quick-drying ExpeDRYA(R) tech to help manage sweat, while perforations on the back offer breathability when your run heats up. Benefits:ExpeDRYA(R) tech accelerates down drying and rapidly restores loft and warmth in high-humidity environments. Laser-cut perforations on the back provide breathability in a high-heat area. Vest packs into a pouch for on-the-go carrying. Stretchy knit fabric on the back and woven material on the front offer a lightweight, flexible fit. Zippered front pockets secure running essentials. [] Product Details:Locker loop at neck. 2-way zipper. Reflective details. Not intended for use as Personal Protective Equipment (PPE). Body:100% nylon. Panels:72% polyester/28% spandex. Front Baffles:100% nylon. Fill:Grey duck down (minimum 90% down). Machine wash. Imported. Style: IO2205; Color: Black/Black; Size: M; Gender: Male; Age Group: Adult