i think "Ao Dais" are uniform of women in Vietnam, it was identity that is unique for country others and can indicate of the wearer's age and status. Ao Dais" are uniform of women for daily wear in Vietnam. the "Ao Dai"appear to shape all proportion of body the Splits inside pants height, long coat to foot and rip to waist. it make comfortable and easy to movement in make everything. it is available and cheap for buying, it becomes the national costume for ladies in Vietnam. The "Ao Dai", it is pronounced "ao yai" in the south, and "ao zai" in the north. the colour can indicate of the wearer's age and status for example, young girls wear pure white, grow older but are still unmarried they move into soft pastel shades. and only married women wear gowns in strong, rich colors, usually over white or black pants. in summery, the "ao dai" clothing is not just about fashion; it also reflects culture.