Whether he's tearing up the track or on a cross-country trek, this Nike Microfiber Running Jacket will keep him on his feet while the others are losing pace. Ultralightweight construction is specially designed to keep from weighing him down. Strategic ventilation at sweat points for key breathability. Mesh vents at front and back yokes. Zippered hand pockets with mesh lining. Reflective piping at sleeves. Full-zip closure. Mock neck collar. Elastic cuffs. Droptail hemline. Logo detail at chest. Body and lining: 100% polyester. Machine wash cold, tumble dry low.