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A couple of showers and thunderstorms
Clouds breaking for some sun
Mostly sunny and pleasant
Sun mixing with clouds
Couple of thunderstorms
Fresh cooler and less humid air will settle over the Philadelphia area for Thursday and Friday. more >
Dec 5, 2012; 5:00 AM ET
Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.