Popular science knowledge related to bras
1、 Why wear a bra
Bras are designed and manufactured to showcase a woman's beautiful figure, based on her body shape. Young girls are prone to skin sagging and sagging as their breast volume and weight increase, as well as downward gravity. Wearing a suitable bra can provide good support for the breasts. As adult women age, their skin elasticity decreases and their breasts gradually lose their original firmness. Wearing a suitable bra can delay the aging of breast skin and maintain a firm appearance. During daily activities, especially intense sports, the protection of bras can protect the breasts from severe external pulling damage; During pregnancy and lactation, due to the increase in breast volume, bras are more needed to provide good support. In addition, bras also have the function of keeping warm and warm, isolating nipples from external contact, and preventing the invasion of bacteria and dust.

2、 Classification of bras
1. According to the cup classification of bras:
A. 1/2 cup bra: The entire brassiere
is hemispherical in shape, characterized by parallel lines between the front of the cup and the lower feet. In design and production, more than 95% of them are detachable straps. Due to poor stability, the lifting effect is not strong, and it is suitable for people with smaller breasts to wear. It works best with backless, suspenders, and other accessories.
B. 3/4 cup bra: It is the style with the best center effect in bra design, not completely covering the chest, 1/4 exposed, presenting cleavage, sexy and charming. The characteristic is that the opening line is V-shaped, with cotton inserted upside down or diagonally placed, and the force point is on the shoulder strap. Suitable for any body type and suitable for pairing with suits, suits, etc.
C. Full cup bra: The overall shape is spherical, which can fully accommodate the breasts in the cup. It is suitable for women who are full and have soft flesh, and the chest is sagging and wide. It has strong support and lifting effects. Generally, full cup bra designs come in large cup sizes such as C, D, and E. Suitable for pairing with sports, casual wear, etc.

2. Classify cups according to their appearance and style:
A. Seamless bra: With a tight and seamless design, it is suitable for pairing with tight clothing.
B. Magic bra: Add water bags, cotton pads, and other objects on the inside of the cup to effectively increase the volume of the chest, push the breast tissue upwards and inwards, and outline charming cleavage.
C. Front button bra: The hook is placed in the front center position for easy wearing, and it also has the effect of pushing and concentrating the breasts towards the center.
D. Bra type bra: It is a type of bra, with an extended abdominal strap that can restrain excess fat in the abdomen and waist, highlighting curves, and is used to match evening dresses.
E. Casual bra: mostly made of cotton, paired with daily clothing and home leisure.
F. Special function bra: Breastfeeding bras usually have a small opening in front of the bra, specially designed for nursing babies.