The beauty of winter running lay not in the innate survival mode that often occurs while enduring the grueling miles spent pounding the pavement. The true artistry can be found in the sheer amount of miles you're able to pursue before the evening sun slips away. So, why chase PR times when you can chase light' Just make sure you wear the Nike Women's Aeroloft Flash Vest. This high visibility vest both maintains core warmth and keeps you visible to drivers, fellow pedestrians, and bikers. Crafted with 800 fill goose down, the Aeroloft Flash keeps your core toasty warm with its water resistant, ripstop exterior, ultimately ensuring maximum protection should those dark, overhead clouds begin to release a little rain. The laser perforated fabric encourages optimal body temperature regulation without the fuss and fumble of zippered ventilation while the Dri FIT mesh shoulder panels assist you in staying cool and dry. Additionally, the Aeroloft Flash packs down securely into the back pocket and comes complete with a hand strap so you can run with ease and assurance knowing you'll be well protected.