As the "Hercules" blizzard continues to pound the living crap out of much of the East Coast, most health-conscious men are probably confining their workouts to the gym—or worse, taking the day off altogether. But for those restless runners who crave the outdoors regardless of conditions, be sure to check out Nike’s new Aeroloft 800 Summit Jacket ($400; Released last month, the Aeroloft is sleek, lightweight (without being too bulky), and superinsulated to keep you warm while you make your mark on the pavement. Well, assuming the pavement’s not entirely caked with snow.

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