Built for runners who deal with unpredictable weather mid-run, the Active Jacket is our pick for training days when conditions can flip fast. Windproof, water-repellent ripstop construction keeps the elements out without trapping heat, thanks to concealed ventilation zones. When the sun breaks through, it packs down small enough to stuff in a pocket and forget about. Windproof and water-repellent shell handles sudden gusts and light rain without soaking through Ultralight ripstop fabric resists tears and abrasion while keeping the overall weight minimal Hidden ventilation zones dump heat during hard efforts so you don't overheat under the shell Packable construction — stuffs down small for travel, racing, or stashing mid-run when the weather clears Reflective details, adjustable hood and hem, and zippered pockets round out the everyday utility
