Biggest difference seems to be price! I would think the HYVAT trousers would be more than adequate to keep the legs dry. I sure wish someone made this stuff in OD instead of camo! Only maker I know is Norrona in Europe and the price is way too much for me! Hope that helps anyways Cheers!
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No, I am not Bear Grylls, but I stayed at a Holiday Inn Express last night and Bear was there too!