6'10"? If it rains, you're going to get poked in the eye. A lot.
I went back there last year to visit some family. It's pretty hot and humid there. Where in Taiwan are you going? Taipei?
Skettios might have some info for you. He asked for some advice awhile back in this thread:
http://www.tfproject.org/tfp/showthr...ghlight=taiwan