Hey surfer, sawadeekap. I live in Asia too, in a place which is very hot and sticky for a good part of the year. Admittedly I'm not mountaineering for a living (wish I were!) but i find it OK and I think you will be able to make it work. I have done quite long hiking trips in the mountains and the system has performed fine with a bit of prep. You got the most important decision right, which is to go for a lace base - that's vital. There are also a few other tips that can make it easier, such as base design, choice of adhesives, and products like anti-perspirant and scalp protector. If you're interested to swap tips feel free to email me at keltinthedelta at yahoo dot com.