"34A", usually underwear size is expressed in this form. So what does this combination of numbers and letters mean? In fact, a size contains two meanings: bust and cup. Among them, the chest circumference is divided into upper circumference and lower circumference, and the upper circumference is the circumference that passes through the highest point of the breast and horizontally surrounds the body; The lower circumference refers to the circumference around the body from the lower edge of the breast. A cup is the difference between the upper and lower circumferences.
Take "34A" as an example. "34" indicates the lower circumference, and most of the dimensions of the lower circumference adopt two standards. One is in centimeters, and the difference between each model is 5 centimeters, such as 70, 75 and 85; The other is in inches, and the difference between each model is 2 inches, such as 32, 34 and 36.
Extended data:
This is the correct way to wear a bra.
1, the arm is hung on the shoulder through the shoulder strap, the upper body leans forward slightly, and both hands press the bottom edge of the bra steel ring, and gently move from the belly and abdomen to the root of the breast bulge, so that the breast is completely placed in the cup.
2. Then slide your hands behind your back along the bottom edge of the bra and fasten the hook.
3. Lean forward 90 degrees, put one hand into the back button and put the fat lost from the back and armpits into the cup.
4. Hold the lower part of the bra steel ring in a figure of eight with one hand, and pull the ear position of the bra with the other hand to adjust the shoulder strap.
After putting on the bra, try to exercise to see if it is comfortable and natural.
People's Network-Girl, in fact, you have been wearing the wrong bra! How long does it take to change the bra?
Baidu encyclopedia-bra size comparison table