Microfiber is woven very tight, nice silk like texture (good for summer) and Egyptain cotton is a bit heavier soft and I perferr it in the winter it tends to keep the heat in, both are really good...
yes
Typically, yes. Take the thread count into consideration though. A higher thread count (say 500+) means a tighter weave, and therefore, less air can pass through the fabric. This will be smooth...