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A morning shower in spots
Some sun, then clouds; colder
A chance for rain and snow
The temperature roller-coaster ride will continue into next week for the Philadelphia area. 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.