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Mostly sunny, nice and warm
A p.m. t-storm in spots
Variable clouds, a t-storm
Mostly sunny and nice
Monday is shaping up to be Philadelphia's warmest day so far this year, kicking off a week that will be dominated by summer warmth. 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.