Mom belongs to a special body type and is not suitable for buying ready-made clothes, but the sizes provided to you are as follows: blouse 160/86(84)A skirt (pants) 160/70A.
Remarks: jacket height/clear bust and figure pants (skirt): height/clear waist and figure.
According to the fact that you want to buy a shirt for your father, you must buy them a suit! The sizes given above are not only suitable for suits, but also for other suits. As long as you buy products from regular manufacturers, you should use the national 97 standard, which is the above number/type (body) standard.
If the style has been decided, it is necessary to introduce the style, manufacturer, size marking method and what size you have, and tell you what size you should buy according to these conditions. ※.
It is not good to help you choose the most suitable one directly without providing the above data. At present, only formal clothing enterprises in China label the national costumes according to the 97 standard, and it is difficult to buy clothes labeled according to the 97 standard without going to big shopping malls.
C stands for obese figure, and the size 170/98C is suitable for obese people with a height of 168cm to 172cm and a clear chest circumference of 96cm to 100cm.
You buy products from regular manufacturers. Knowing their height, bust and waist circumference makes it much easier to buy clothes for them. Since you lack their bust, you might as well ask them to measure and teach you how to measure.
M: Measure the bust close to the armpit to ensure that the tape measure is balanced and moderately elastic (the tape measure is moderately elastic if it can rotate freely without falling off).
Female: Measure around the highest point of the chest to ensure that the tape measure is balanced and moderately elastic (the tape measure can rotate freely without falling off).
Wait until you get your height, net bust and net waist before you buy it. Just tell the service staff this information and they will help you choose the most suitable size.