its all personal preference,
you could probably ski them fine,
although i found the 176 to be a little soft for me, especially after riding em for a while
im 6'1" 160 and i ski a 180 public which isperftect for me.
if your a real aggressive though  i would go a little bigger, and more importantly, a little stiffer, the
ar5 is a pretty soft ski
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Bogart!