Bras with rims have good shaping ability and do a good job on breasts; Bras without rims are more comfortable to wear and less stressful because they are not bound by rims.

The advantage of rimless bra is extremely comfortable. Bras with steel rims are prone to over-tightening if they are not properly worn, which will cause oppression to organs below the chest. Bras without rims are light and soft to wear, suitable for girls with mature breasts and small breasts.

However, it should be noted that girls with full breasts should not wear rimless bras. The support ability of rimless bra is not as good as that of rimless bra. Girls with big breasts are prone to ligament strain and sagging breasts. Girls with immature breasts should not wear rimless bras.