silk,silk and cotton blend. Cotton. Linen. Cotton linen blend. A

Rayon, viscose.(人造棉，也是棉纤维做的） These can be blend with cotton and silk as well.
Of course wool. Wool blend.

Polyester. (化纤）Polyester can be blend with natural fibers as well.
Polyester is fine as far as I know. sometimes designers / higher end brands use polyester as well.right now many poly fabrics are so well made you cannot tell right away that it is not silk/cotton/linen.
至于买什么布料的衣服，看个人喜好了吧：）
大家再补充：）