If you are watching Girls you may remember how Elijah called Hannah a "sad, limp little glowworm" for donning a sleeping bag with arm holes last Sunday. But did you know that her glowworm outfit is a "Napsack" from Portland-based camping gear company Poler? In fact, they even sent one down the runway of the Merc's most recent fashion show. And now, they appear to be catching on across the nation. Even Al Roker wore one this morning:

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