1. High comfort: vest-type bras are generally made of soft and breathable materials, which are very comfortable to wear.

2. Good support: Through integrated design, the vest bra can support and fix the breasts well and prevent sagging.

3. Design without rims: Vest-type bras usually have no rims, which can reduce the pressure and restraint on breasts.

4. Can be worn for a long time: Vest-type bras are generally loose in design and will not cause oppression on the chest. They can be worn for a long time, even when sleeping.

5. Suitable for all kinds of clothes: vest bra is simple in style and suitable for all kinds of clothes, whether casual or formal.

Vest bras also have some disadvantages:

1. Insufficient shaping effect: The vest bra is loose and has no obvious shaping effect, which may not be ideal for consumers who want to shape a perfect chest.

2. Adjustment difficulty: It is difficult to adjust the shoulder straps and suspenders of vest bras, which may not be flexible enough for consumers with different body types and needs.

3. Easy to shift: Vest-type bra has no fixing devices such as steel rings, and it is easy to shift after strenuous exercise or wearing for a long time.

4. Not beautiful enough: The style of vest bra is relatively simple, which may not be attractive enough for consumers who pursue fashion.

Generally speaking, the advantages and disadvantages of vest bras need to be weighed according to personal needs and preferences, and choose the bra that suits you.